gem refractive index

Brand Name:Fable

Model Number:FGR-003

Place of Origin:Shenzhen, China

...The refractometer is one of the most important tools in a gemological laboratory. It indicates the refraction index of a gemstone, which often gives vital clues to the identity of a gemstone. Refractometer Fable brand...

Place of Origin:China

Brand Name:CNOEC, OPTO-EDU

Model Number:A24.6321

... Optical Design, High Hardness CZ Test Prism, Clear Shadow Boundaries, Special Power Supply A24.6321 Gem Refractometer A B C Scale Range 1.35-1.85, Hard CZ Measuring Prism Accuracy ≤± 0.003 0.002 Working Plate Aluminum...

Brand Name:VANCO

Model Number:FGR-003

Place of Origin:CHINA

... is considered by some to be the most important of all gem identification instruments. It can be indicated (not measures) the refraction index of a gemstone, which often gives vital clues to the identity...

Brand Name:AAA Gems

Model Number:RM-023

Place of Origin:China

... crystal: Super white Moissanite Skin:99.9%, pure carbon diamond, thickness is about 15-300nm. Refractive Index: Around 2.5 to 2.6, Double refraction index; Relative Density: 3.22g /cm3; Dispersion: 0.11; Hardness: from 9.2 to 9.5; Clarity and color: VVS1...

Categories:Diamond Grinding Wheels

Telephone:+ 66 2 2344191

Country/Region:china

...Product : Refractive Index Liquid Part # : 5139 Weight : 30.00 GR Comments : A small drop of this liquid is sufficient to create a seal between the gem and the refractometer. Although, other liquids can be used...

Categories:Gem Refractometer

Telephone:+86-591-88074947

Country/Region:china

Gem Refractometer Refractive Index fuild--1.79 ProductNo:222925-556 ProductModel:AAA Maker:HuiXia Supply Co., Ltd Views: More product images:

Place of Origin:China

Brand Name:G-tech

Model Number:CL-181BI

... gem can be estimated by the parameter. The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive. Besides, index of double refraction...

Place of Origin:Made in China

Model Number:RGM700

... the measured value of refractive index because every kind of gem has its inherent refractive index. Besides, index of double of refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial...

Place of Origin:China

Brand Name:Grand Index

Model Number:GI-181-1

The GI-181-1, commonly known as Gemstone Refractometer, is the primary and most powerful tool in identify and authenticate polished precious and semi-precious gemstones and observing the optical properties and the structure of gemstones. This model is ...

Place of Origin:China

Brand Name:G-tech

Model Number:CL-181FL

... gem can be estimated by the parameter. The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive. Besides, index of double refraction...

Place of Origin:China

Model Number:FGR-003

... DC 3V power supply (input voltage: AC100—240V). l Accompany with one polariscope, one bottle of refraction oil (1.785±0.005) l Unique design of the bottle (Proprietary technology ZL200620096730.7), this design is much...

Categories:Gem Refractometer

Telephone:0085266536346

Country/Region:china

... parameters, you can determine whether the gem is a Single Refraction (Isotropic) or Double Refraction (Anisotropic or Birefringence). Plus an option to get an extra bottle of 1.800 Refractive Index Oil just by adding a small amount...

Categories:Lab Created Loose Gemstones

Country/Region:china

..., AAA,AA,A,A- Size in stock: 1mm-10mm in stock Main market: Russia,brazil,U.S.A... Moh's Scale: 8.5 Refractive index: 2.15-2.18 Verification Standard: CPSIA Industrial expericence: Since 1993 Service: OEM ODM customized Sample: free...

Place of Origin:China

Brand Name:EOKmeterstock

Model Number:RGM-600I

.... It can be used for measuring Refractive index of Gemstone or Ore. The index of double refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or...

Categories:Gemological Instrument

Telephone:86-596-2292900

Country/Region:china

.... It can be used for measuring Refractive index of Gemstone or Ore. The index of double refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or...

Categories:Gem Testing Kit

Telephone:+86-21-56725179

Country/Region:china

... groups of measured refractive index values you can find a group with the difference of maximum refractive index and minimum refractive index. The difference is the value of index of double refraction of gem. We recommend that every gem tested two...

Categories:Gem Refractometer

Telephone:(928) 442-1155

Country/Region:china

... that share that RI value! The Gem-n-Eye does this by measuring Reflectivity, a property closely related to Refractive Index, and through a sophisticated algorithm, converts that to a familiar Refractive Index value, and then conducts a lookup within...

Categories:925 Sterling Silver Pendants

Telephone:86-20-86536942

Country/Region:china

... Pendants Jewelry Main Material: kyanite Main Stone: kyanite Occasion: Party Gender: Children's, Men's, Unisex, Women's Refractive Index: 1.716-1.731 Hardness: 5.0-7.0 Rlative Density: 3.68 Crystal Group: Triclinic OEM/ODM: Warmly welcome Payment...

Categories:Gem Refractometer

Telephone:0086-755-82357853, 25690304

Country/Region:china

...Gem refractometer CL-181LL Description 1)Gem refractometer, glass testing table-board,black color, c/w built-in LED light, 2ml RI liquid,manual; one year warranty Measuring range Refractive Index: 1.30-1.81 Resolution Factor: Refractive Index: 0.01 Size...

Categories:Zirconia Ceramic Parts

Telephone:86-510-87980121

Country/Region:china

... refractive index (N≈21～22), and can be made into all kinds of decorative colorful polycrystalline ZrO2 gems, beaming colorful like natural gemstone, its hardness is 6.5. Never wear watches watchcase, bracelet and artificial gem...