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Gem Refractometer For Gem Tester(1.35-1.85) FGR-003NegotiableMOQ: 1 Set -
Portable Gemstone Refractometer With Durable LightNegotiableMOQ: 1 Set
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Gemstone RefractometerNegotiableMOQ: 1 Piece
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Gem Refractometer/Gem Tools/Gemology RefractometerNegotiableMOQ: 50 Pieces
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Fable Testing Range of 1.35 - 1.85 Gem Refractometer, Gemological RefractometerNegotiableMOQ: 1 Set
Standard Refractometer,gem refractometer,gemological tester
*High hardness CZ test prism Scale range:1.35-1.81
*Error: ±0.002 Stainless steel table,easy to clean
*By advanced optic system,shadow edge is straight and sharp,easy to read it
*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 |
Obsidian |
1.50± |
---- |
Spinel |
1.718-1.785 |
---- |
Lapis lazuli |
1.50 or 1.67 |
---- |
Syn.spinel |
1.728± |
---- |
Moonstone |
1.52-1.53 |
0.008 |
Hydrogrossular |
1.730-1.740 |
---- |
Chalcedony |
1.53-1.54 |
---- |
Chrysoberyl |
1.746-1.755 |
0.01 |
Lolite |
1.544-1.553 |
0.01 |
rundum |
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 |
---- |
Zirn |
1.925-1.984 |
|
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 |
|
|
|
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