Jadeite/chelsea filter + Ruby filter for gem testing gemstones. 2 items
1.Ruby Filter: It is a small device that you look through to aid in the identification of gemstones, in particular to spot real rubies amongst gemstones that are not rubies, or vice versa. 2. Chelsea/Jadeite Filter: This gemological tool is helpful for identifying certain red, blue and green gemstones. It is used to determine whether a gemstone is natural or synthetic and can also be used for detecting Synthetic Blue Spinel as well as for detecting dyes in certain gemstones. The Chelsea Filter is a popular Gemological Dichromatic Filter that was originally devised by Anderson and Payne in 1934 at the Gem Testing Laboratory of the London Chamber of Commerce. The filter was devised with the collaboration of gemology students of the Chelsea College of Science and Technology. As this filter allowed transmission of both deep red wavelengths around 690 nm and yellow-green wavelengths, around 570 nm, that matched an Emerald's emission and absorption characteristics, it was initially recommended to assist the discrimination between natural emerald and its simulants such as Green Glass, Tourmaline, Peridot, etc. This discrimination was possible because Chromium - containing Iron - and Vanadium-Free Emeralds emitted a red fluorescence when illuminated by white light that had a content of ...
- ASIN: B008GG6SVK
- UPC: 704405061795
Foldable Ruby Filter Identification Tool for Emerald and
Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Spinel, Tourmaline, and Garnets from others that might look similar in comparison. Using it is as simple as holding the filter close to your eye, look at the stones, examine your gems and reveal their true identity. Features: Accurately distinguish the real nature of the gems in an instant Supplied with leather pouch case Approved by strict quality and safety standards for long and trouble-free life Guaranteed high quality and accurate testing results Brand new and unused Specifications: Filter material: Glass Filter Diameter: 20mm Body : Made of metal Swing away metal case Package Weight: 0.04kg Package Size: 6cm x 4cm x 2cm Set includes: 1 x Gem Identifier FREE Synthetic Leather Carry Pouch
- Brand: Gain Express
- ASIN: B00MNEAS76
- UPC: 701936208415
Ruby Filter Gem tester tool identification
A Ruby Filter, is a small device that you look through to aid in the identification of gemstones, in particular to spot real rubies amongst gemstones that are not rubies, or vice versa. Specifications: Filter Diameter: 20mm Body: Made of heavy metal Lens: Advanced Optic Glass, the retail stores sell this level of lens for twice of our price.
- ASIN: B00884RNNW
- UPC: 704405077031
Gemologists' Travel/portable Lab Suitcase. Including Microscope, Dichroscope, Spectroscope, Chelsea Filter, Ruby Filter, Jadeite Filter, Polariscope, Darkfield Loupe, Uv Magnifier, Gem Refractometer, Polariscope, Conoscope, Refractive Index Liquid Oil, Gem Tweizer and
Product Description Ade Advanced Optics Travel Labs are perfect for the jeweler on the go! Truly designed for gemologists and jewelers, these travel labs come equipped with the tools and accessories needed to inspect and analyze gemstones and jewelry. This portable laboratory is housed in a durable aluminum case, making it ideal for travel and evaluation on the go. L14 x W11 x H4 inch L35 x W18 x H10 cm Come complete with a refractometer, polariscope, spectroscope and more - everything a gemologist needs. Features include: 1. Gem refractometer with built-in sodium lamp(or gem refractometer with external monochromatic light source) 2. Polarizer for gem refractometer 3. 1.80 RI liquid 4. 60x measuring microscope with light source 5. Calcite dichroscope 6. Diffraction spectroscope 7. Prismatic spectroscope 8. Jadeite filter 9. Ruby filter 10. Chelsea filter 11. Dark field loupe 12. Polariscope 13. Conoscope 14. HandFree LED table light for Polariscope, dark field loupe and etc. 15. UV+White light illuminated loupe 16. 10x triplet 17. Tweezer
- ASIN: B00AR9RQ4M
- UPC: 704405061566
Cottage Mills Color Evaulator II Red and Green
The Color Evaluator II is a value finder, helping you sort fabrics from light to dark and evaluate shades. Contains a red and a green viewing filter. Use the red filter with warm colors and the green filter for cool colors. Look through each filter; those that appear darkest become those that stand out the most in a craft project.
- Color: Red
- Brand: Cottage Mills
- ASIN: B001FQZC8I
- UPC: 723347050025
Pangda 9 Pack Gel Filter Colored Overlays Correction Gel Light Filter Transparent Color Film Plastic Sheets, 11.7 by 8.3 Inches
Features: Gel filters plastic sheets: These gel filters in red colors, total 9 piece, can meet your needs. Good for photo studio strobe flash light LED lights. Each is covered with a protective film to avoid being scratched, easy to peel off. These gel filters are made of high light transmission plastic material, lightweight, steady color temperature and low loss, helpful to use. Wide applications: Colored overlays filters are suitable for film, video, photo, stage, theater, party, and DJ lighting, good for photo studio strobe flash light LED lights. Also suit for memory albums scrapbooks and various other art projects, can improve clarity, eye movement control and helps kids with dyslexia reduce reading frustration. Specifications: Gel filter color: red Shape: square Quantity: 9 pieces Package includes: 9 x Gel light filters (red) Note: Please do not leave the product close to the light which is on, or it will be melted.
- Color: Red
- Brand: Pangda
- ASIN: B073XJMS39
- UPC: 652811852387
Color Evaluator II - Red & Green Viewing Filter Set - Color Value Finder/Gray Scale Contrast Evaluator. Get The Right Color Mix for Your Project! (Red
Product Details: The Color Evaluator II from Cottage Mills has been the designer's choice for over 25 years. The Red and Green filters are used to determine color values. When viewing your materials through the filters they will appear in gray scale (no color). You will now see things as light, medium and dark. With the filters you can arrange your materials by color value to create eye appealing contrasts. The filters are made in the USA of durable transparent acrylic. They are packaged in a reusable storage case. Great for quilting, oil and pastel painting, graphic design, mixed media art, sewing, rug hooking, plein air painting, etc Check out Lazy Quilting Blogspot for a fantastic explanation of how to use our Color Evaluators: http://lazygalquilting.blogspot.com/2013/02/no-mush.htmlOur Amazon Feedback rating is 100% / 4.9 stars. Read some of our satisfied customer reviews: QUILTER: "Very helpful in deciding if my color are correctly placed." PAINTER: "These are fabulous for checking out values while painting. The quality is very good, thick acrylic material (can't bend)." PLEIN AIR ARTIST: "Helpful tool when painting plein air. Breaking color values down; warm and cool color evaluators by Cottage Mills work." RUG HOOKER: "I am a rug hooker and was made aware of this pro...
- Color: Red Green
- Brand: Cottage Mills
- ASIN: B01C4NCV02
- UPC: 723347900825
BWT 3-Pack Long Life Mg2+ Cartridge for Water Filters, 120-Liter
A brand new concept in water filter jugs which adds valuable 'top up' magnesium to create a bottled water taste are now available in the UK after being officially endorsed by the Good Housekeeping Institute. Become a Water Gourmet with this beautifully designed mineral water jug and filter which absorbs lime scale and heavy metal substances from tap water. BWT also improve the flavor of tap water by retaining and adding to the mineral Magnesium which provides AROMA, CLARITY and FLAVOR for Tea and Coffee, as well as providing a delicious, natural, balanced and fresh drinking water. Magnesium has the additional advantage of being good for your for bone and cell development, helping concentration and physical and mental performance. Studies show the majority of adults in the UK are achieving less than the recommended daily amount (RDA).Protect your Kettle and coffee machine, Save money and the environment through reduced spending on bottled mineral water and discover the great taste of water, coffee and scum-free tea. The BWT long-life cartridges each last for 120 Liters or 28 days. BRITA MAXTRA (TM) COMPATIBLE. BWT (Best Water Technology) are Europe's Number 1 in Water technology with world leading experience in all aspects of water treatment.
- Color: White
- Brand: BWT
- ASIN: B004X19KQ2
- UPC: 787269208049
Ade Advance Optics Ruby Filter for Gem Testing, Stone
Ruby Filter, is a small device that you look through to aid in the identification of gemstones, in particular to spot real rubies amongst gemstones that are not rubies, or vice versa.
- Brand: Ade Advanced Optics
- ASIN: B001GFCGSM
Neewer 12 Pack 8.5x11 inches/21x28 centimeters Transparent Color Correction Lighting Gel Filter Set for Photo Studio Strobe
Note: Not heat resistance and make sure the light source is cool; Heat given off by the flash will increase for the long time work, easily making the color gel out of shape or melt when the temperature reach 80℃ above and the strobe light is not included Descriptions: Colored Lighting Gel Filters are often used as accent lights, or to add dramatic color to backgrounds or selected portions of a scene for artistic effect; Spice up any party or scene with color. Cut to fit most Photography Flash model. Made of high light transmission materials with light weight, steady color temperature and low loss. Specifications: Dimension: 8.5x11 inches/21x28 centimeters Color: Red Shape: Square Package Contents: 12 x Red Color Gel Filter
- Color: Red
- Brand: Neewer
- ASIN: B01MRO4LPM
- UPC: 191073005013
Ade Advanced Optics Bundle: Chelsea Filter, Dichroscope, Jewelers Hasting 10x Loupe. GIA Tools (Pack of
This kit, if used properly will allow you to identify about 85% of all precious gemstones, using three simple tools - Chelsea Filter, Dichroscope and Jewelers Loupe. This kit includes the following items: Chelsea Filter Of the many tools introduced to jewelers in the past few decades, the Chelsea filter has become one of the most popular. Originally used to differentiate genuine emeralds from other similarly colored stones such as tourmaline and peridot, the Chelsea filter is now used, often in conjunction with other tools such as the loupe or dichroscope to be able to identify mostly any gemstone. Since technology for creating synthetic gemstones has vastly improved in recent times, checking stones with the Chelsea filter alone is n longer considered sufficient. Dichroscope The dichroscope is another popular tool, which, like the Chelsea filter, is considered invaluable for distinguishing certain stones from similar gems. It can only be used on stones that are transparent, and are able to transmit light. It is used to differentiate between and identify stones of the similar colors. When looking through the dichroscope, the user should see two squares/rectangles, side by side. When viewing a stone, the user will see that it is either a single or a double refracting stone. 10x tri...
- Brand: Ade Advanced Optics
- ASIN: B0088QN1MM
- UPC: 704405077048
5 Pack - Adhesive Backed Transparent Rigid Vinyl Film, Tinted Colored Lighting Filter Plastic Sheet Self Stick Sticker, Christmas Holiday Decorations, 9" x 12", Color
Paper thin plastic is coated with pressure sensitive adhesive, great for window decorating, stained glass, coloring low-wattage or fluorescent lights, crafts and projects. Can be easily cut with scissors, razor. Cuts and weeds well on Stikas and other computer controlled vinyl cutters, Can be used to make numbers, letters, decals, stipes, a paper release liner is removed when the tape is applied.
- Color: Red
- Brand: Impact Transparent Sheets
- ASIN: B01N9X6TFQ
- UPC: 045079836112
Canon IVY CLIQ+ Instant Camera Printer, Mobile Mini Photo Printer Via Bluetooth(R), Ruby
Take and print photos will getting creative with the free Ivy app to add filters, effects, and fun!
- Color: Ruby Red
- Brand: Canon
- ASIN: B07PS6Y8DZ
- UPC: 013803321036
Ulano Rubylith RU3 40" x 300" 3 mil
Rubylith®brand masking films are "light safe" knife cut films coated onto a polyester backing sheet. These films can be cut manually or on a plotter to produce masks for film contacting and plate making and film positives for photographic stencil production.Rubylith® is a red masking film, which is suited for use with orthochromatic films. Rubylith® is "safe" for use with camera speed darkroom films as well as indirect gelatin stencil films and diazo, diazo acrylic, or SBQ sensitized stencil films or emulsions. Rubylith® is primarily used in the camera and plate making operations for offset lithography, flexography, gravure, and screen processes where orthochromatic films and plates are used.
- Brand: Ulano
- ASIN: B0727XPJWS
- UPC: 643845741921
BWT 3-Pack Long Life Mg2+ Cartridge for Water Filters, 120-Liter Capacity
- Color: White
- Brand: BWT
- ASIN: B07ST8CV47
- UPC: 703669652121
Fujifilm Instax Square SQ6 - Instant Film Camera - Ruby
The Instax square Sq6 is the first Analog instant camera within the Instax square lineup. It is the perfect tool for users who want to be creative and use instant photos to express themselves and their everyday moments on a square film format. The 1: 1 square format Instax square Sq6 captures the beauty in each and every moment, so that you can cherish those memories for a lifetime. With square format, there's no need to waste a precious moment deciding whether to capture it in portrait or landscape - just pick up the camera and snap. And at 1.5x the size of Instax Mini prints, there's plenty of room to set the scene.
- Color: Ruby Red
- Brand: Fujifilm
- ASIN: B07HMW9BJB
- UPC: 074101039757
LUCID Flash Filter
Designed specifically for the HD7 red dot, this accessory reduces any annoying lens glare and reflection as well as add an extra level of protection for the objective lens of the HD7. .
- Brand: LUCID
- ASIN: B00D1HQAAI
- UPC: 850341002078
Picture Perfect 3 in 1 Plus View
This is a simple yet very useful tool for all visual artists. There are three value filters/view finders in transparent red (the red film helps to neutralize colors so you can concentrate on values) three clear gridded viewfinders that help you to find your best composition and two printed gray scales that go from white to black (one printed on a separate insert). There are also printed ratio finders a table of measurements instructions for choosing the best size for your composition instructions for enlarging or reducing using a graph and more instructions on using the Three in One Plus View Finder. Printed on heavy duty bi-folded card stock. When folded the View Finder measures 5-1/16x11 inches.
- Brand: FineArtStore
- ASIN: B001BKJ734
Charlie's Soap - Kitchen and Bath Household Cleaner, Non-Toxic, Biodegradable, Multi-Surface Use - (32 oz, 2
Why buy a dozen different jugs of cleaning solutions when Charlie’s Soap Kitchen & Bath Household Cleaner can handle just about any grime in your home. Tough yet gentle, spray it on, wipe off all washable surfaces, including granite countertops, stovetops, ovens, hardwood floors, carpets, tubs, showers, walls, tile, stonework, sinks, toilets and more. It gently releases grease and grime. No gloves are necessary: zero abrasives, zero lye, zero phosphates, zero bleach, zero dyes, zero perfume. Charlie says it is safer for the environment because, like all his products, it is non-toxic and biodegradable.
- Brand: Charlie's Soap
- ASIN: B00AM04WCU
- UPC: 757072123099
30x Magnification Jewelry Gem Loupe with UV & 6 LED Light, 21mm Optical Glass Achromatic Aplanatic Triplet Magnifiers Lens Portable Handheld Magnifying Tool Jeweller Stamp & Coin Collectors
JEWELRY INSPECTION AND REPAIR: Great for Viewing Engraved Stamps on jewelry, even the tiniest. Images crystal clear. UV LED Great for Viewing Gems. Stamp and Coin Collectors will love this Great Office Supplies to see small detail. GEOLOGY STUDY: the UV light is Great for Viewing certain mineral luminescence under UV light, having that option helps identify the composition of the rock, if are an avid 'rockhound' like me, this would be an awesome gift. CRAFTS and SEWING: Great to view SMALL details while building models, THEAD NEEDLES with ease check fabric weave and stitches. FEATURES: MAGNIFICATION: 30x magnification for inspecting diamonds, gems, jewelry, coins, stamps, rocks, watches, hobbies, antiques, models, photos industry, etc. DUAL LIGHTINGS: 6 LED Lights(white) and 6 UV Lights Providing a cool bright light even in poor light conditions APLANATIC: Corrects spherical aberration, for larger fields of view ACHROMATIC: Corrects color distortions TRIPLET LENS: highly excellent for color sharpness and clarity Specification: Magnification Power: 30x Diameter of lens: 21mm, optic glass UV Light and 6 White LED Light Foldaway Powered by 3 x button batteries Set Includes: 1 x 30x Magnification Jewelry Loupe w/ LED & UV 1 x Key for screw latch 1 x Cleaning cloth ...
- Color: 30X Power Magnification
- Brand: TekcoPlus
- ASIN: B07N1LLM4S
- UPC: 713072685067
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