Products
- Refractometers[10]
- Bean Product Processing Machinery[1]
- Testing Equipment[10]
- Jewelry Tools & Equipment[10]
- Temperature Instruments[6]
- Weighing Scales[4]
- Fiber Optic Equipment[5]
- Microscopes[2]
- Hardness Testers[7]
- Force Measuring Instruments[1]
- Gauges[2]
- Other Optics Instruments[2]
- Diesel Generators[7]
- AC Motor[7]
Contact Us
- Contact Person : Ms. wu Josie
- Company Name : Fuzhou Hedao Trade Co., Ltd.
- Tel : 0086-591-88280227
- Fax : 0086-591-88280227
- Address : Fujian,Fuzhou,Unit1704,5# Building, South of ChangLe Road, Taijiang District, Fuzhou, China.
- Country/Region : China
- Zip : 350011
CZ prism LED light source Gemological Refractometer
Product Detailed
Related Categories:Jewelry Tools & Equipment
1.Gem Refractometer:
2.CZ Testing Table
3.Stainless Steel
4.Monochromatic LED Lights
5.Dual power supply
Gem Refractometer
Gemological refractometer,gem refractometer,gemological testerHigh hardness CZ test prism Scale range:1.35-1.81Error: ±0.002 Stainless steel table,easy to cleanBy advanced optic system,shadow edge is straight and sharp,easy to read.There are two ways of inputing the voltage:7batteries and DC3V direct current suply(AC100240V).2ml refractive index Liquid(1.78±0.005) with unique design of the bottle(Proprietary technology ZL200620096730.7)It is much safer ,much ecnomical and more convinent.name | R.I. | birefringence | name | R.I. | birefringence |
Opal | 1.42-1.45 | Apatite | 1.634-1.638 | 0.004 | |
Fluorite | 1.45 | Peridot | 1.654-1.695 | 0.035 | |
Glass | 1.51-1.82 | Jadeite | 1.66± | ||
Sodalite | 1.483-1.487 | Diopside | 1.675-1.701 | 0.026 | |
Lapis lazuli | 1.50 or 1.67 | Syn.spinel | 1.728± | ||
Moonstone | 1.52-1.54 | Chrysoberyl | 1.746-1.755 | 0.01 | |
Chalcedony | 1.53-1.54 | Hydrogrossular | 1.730-1.740 | ||
Lolite | 1.544-1.553 | 0.01 | Syn.corundum | 1.762-1.770 | 0.008 |
Crystal | 1.544-1.553 | 0.009 | Almandite | 1.79±0.03 | |
Beryl | 1.56-1.59 | 0.008 | Ruby&Sapphire | 1.762-1.770 | 0.008 |
Turquoise | 1.61-1.65 | Zircon | 1.925-1.984 | 0.059 | |
Nephrite | 1.61± | CZ | 2.08-2.20 | ||
Topaz | 1.61-1.640 | 0.009 | Strontium titanate | 2.409 | |
Tourmaline | 1.620-1.644 | 0.02 | Diamond | 2.417 | |
Anslusite | 1.634-1.643 | 0.01 | Spinel | 1.718-1.785 | |
Obsidian | 1.50± |
CZ prism LED light source Gemological Refractometer
Other products