WITH THE HELP OF CONTACT FLUID (RI FLUID) : An optical contact between glass and gemstone is made. Gem refractometer You can measure or test the refractive index of faceted stones, transparency or opacity, as well as their beauty, durability and scarcity.
PROFESSIONAL FUNCTION: Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.Professional Gemstone ldentification.
USER-FRIENDLY DESIGN: Refractometer gemstone with integrated light source you can use it in different environments. Gemological Gemstone Gem Refractometer, Automatic Temperature Compensation (ATC) that adjusts to the climate. Low battery consumption for long operating times.
PRODUCT DETAILS: Refractive index range between 1.30-1.81 RI, power supply is AA battery (not included). And size is 13 * 6 * 3.5cm / 5.1 * 2.4 * 1.4inch. Gem refractometer, Lightweight and compact, easy to transport.
SATISFACTION GUARANTEE: This refractometer is designed to measure the refractive index of gemstones and solid materials.If you have any questions about the product, do not hesitate to contact us or ask questions in QA, Rotekt will solve yo....
ChromaLabel 3/4\ Removable White Dot and Yellow Ruler Tape Bundle
The dots and tape in this bundle are backed with a Clean Remove Adhesive that keeps each 0.75 inch circle sticker and Tape in place on most surfaces and removes without residue.
Dispenser Box keeps all 1000 labels neatly organized and conveniently peels them from the liner as needed. 1 in. x 13.9 yds, Repeats every 12 inch.
Imperial 12 inch sections on top, Metric 30 cm sections on bottom.
Matte finish dots are made from high quality paper that is easy to write on with a felt tip marker.
Countless Uses in Office, Retail, Home Organization, Consignment, Classroom, Warehouse, Food Service and Medical.
All ChromaLabel products are proudly made in Kansas, the Heartland of the USA.
PinMart Rhode Island Shape Flag Lapel Pin – Complete United States of America Pin Set – Gold Plated Enamel US State Shirt Pins – Great Commemorative/Promotional Gift
This beautifully designed lapel pin incorporates the shape of the State of Rhode Island (RI) with the Rhode Island flag design or seal in bold and vibrant colors. The end result is a cleverly designed Rhode Island state pin that makes a perfect gift, commemorative item, or promotional piece..
FLAG & SHAPE: Each of the cleverly designed state shape shirt pins is finished with the relevant flag.
these US state pins vary in size from 1 to 2 inches each.
GOLD PLATED ENAMEL PINS: The high-quality state flag lapel pins are die struck from jeweler's metal, feature bold enamel colors and are gold plated and enamel color filled.
SECURE CLUTCH BACKS: Our USA state flag pins are finished with a convenient clutch back, otherwise known as a butterfly or military clutch back, it is the most versatile and popular attachment.
fastens securely to any garment, bag, hat, or lanyard and includes an anti-spin spur for added security.
GREAT GIFT CHOICE: PinMart has been creating premium e....