Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
Professional 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 Alloy Matte Surface |
Stainless Steel |
Illumination |
Built-In Monochromatic LED Light Source |
Brightness Adjustment |
No |
No |
Yes |
Power Supply |
AAA Batteries And DC3V (AC100-240V) |
Refractive Index Oil |
One Bottle Of 2ml, RI: 1.785±0.005 |
Packing |
Carton |
Metal Storage Box |
List of Gem Refractive Index |
Name |
Refraction |
Double Refraction |
Birefringence |
Hematite |
2.94 - 3.22 |
Yes |
0.28 |
Diamond |
2.417 - 2.419 |
None |
NA |
Sphalerite |
2.368 - 2.371 |
None |
NA |
Cassiterite |
1.997 - 2.093 |
Yes |
0.096 to 0.098 |
Demantoid Garnet |
1.88 - 1.94 |
None |
NA |
Melanite |
1.88 - 1.94 |
None |
NA |
Sphene |
1.843 - 2.11 |
Yes |
0.100 to 0.192 |
Zircon |
1.810 - 1.984 |
Yes |
0.001 to 0.059 |
Spessartite Garnet |
1.79 - 1.82 |
None |
NA |
Almandine Garnet |
1.77 - 1.82 |
None |
NA |
Star Ruby |
1.762 - 1.778 |
Yes |
0.008 |
Ruby |
1.762 - 1.778 |
Yes |
0.008 |
Star Sapphire |
1.762 - 1.778 |
Yes |
0.008 |
Color-change Sapphire |
1.762 - 1.778 |
Yes |
0.008 |
Sapphire |
1.762 - 1.778 |
Yes |
0.008 |
Alexandrite |
1.746 - 1.763 |
Yes |
0.004 to 0.010 |
Chrysoberyl Cat's Eye |
1.746 - 1.763 |
Yes |
0.004 to 0.010 |
Chrysoberyl |
1.746 - 1.763 |
Yes |
0.007 to 0.011 |
Grossularite Garnet |
1.734 - 1.759 |
None |
NA |
Tsavorite Garnet |
1.734 - 1.759 |
None |
NA |
Mali Garnet |
1.734 - 1.759 |
None |
NA |
Hessonite Garnet |
1.73 - 1.75 |
None |
NA |
Color-Change Garnet |
1.73 - 1.756 |
None |
NA |
Star Garnet |
1.72 - 1.756 |
None |
NA |
Pyrope Garnet |
1.72 - 1.756 |
None |
NA |
Rhodolite Garnet |
1.72 - 1.76 |
None |
NA |
Azurite |
1.72 - 1.848 |
Yes |
0.108 to 0.110 |
Rhodonite |
1.716 - 1.752 |
Yes |
0.010 to 0.014 |
Spinel |
1.712 - 1.762 |
None |
NA |
Kyanite |
1.71 - 1.734 |
Yes |
0.0015 to 0.033 |
Color-Change Diaspore |
1.702 - 1.75 |
Yes |
0.048 |
Cat's Eye Diaspore |
1.702 - 1.75 |
Yes |
0.048 |
Idocrase |
1.7 - 1.723 |
Yes |
0.002 to 0.012 |
Ruby-Zoisite |
1.691 - 1.7 |
Yes |
0.009 |
Tanzanite |
1.691 - 1.7 |
Yes |
0.009 |
Dumortierite Quartz |
1.678 - 1.689 |
Yes |
0.015 to 0.037 |
Tashmarine Diopside |
1.664 - 1.73 |
Yes |
0.024 to 0.031 |
Star Diopside |
1.664 - 1.73 |
Yes |
0.024 to 0.031 |
Chrome Diopside |
1.664 - 1.73 |
Yes |
0.024 to 0.031 |
Kunzite |
1.66 - 1.681 |
Yes |
0.014 to 0.016 |
Hiddenite |
1.66 - 1.681 |
Yes |
0.014 to 0.016 |
Spodumene |
1.66 - 1.681 |
Yes |
0.014 to 0.016 |
Axinite |
1.656 - 1.704 |
Yes |
0.010 to 0.012 |
Sillimanite Cat's Eye |
1.655 - 1.684 |
Yes |
0.014 to 0.021 |
Malachite |
1.655 - 1.909 |
Yes |
0.254 |
Peridot |
1.65 - 1.703 |
Yes |
0.036 to 0.038 |
Danburite |
1.63 - 1.636 |
Yes |
0.006 to 0.008 |
Clinohumite |
1.629 - 1.674 |
Yes |
0.029 - 0.045 |
Apatite |
1.628 - 1.649 |
Yes |
0.002 to 0.006 |
Cat's Eye Apatite |
1.628 - 1.649 |
Yes |
0.002 to 0.006 |
Andalusite |
1.627 - 1.649 |
Yes |
0.007 to 0.013 |
Smithsonite |
1.621 - 1.849 |
Yes |
0.228 |
Paraiba Tourmaline |
1.614 - 1.666 |
Yes |
0.014 to 0.032 |
Cat's Eye Tourmaline |
1.614 - 1.666 |
Yes |
0.014 to 0.032 |
Tourmaline |
1.614 - 1.666 |
Yes |
0.014 to 0.032 |
Rubellite Tourmaline |
1.614 - 1.666 |
Yes |
0.014 to 0.032 |
Chrome Tourmaline |
1.614 - 1.666 |
Yes |
0.014 to 0.032 |
Hemimorphite |
1.614 - 1.636 |
Yes |
0.022 |
Prehnite |
1.611 - 1.669 |
Yes |
0.0021 to 0.039 |
Turquoise |
1.61 - 1.65 |
Yes |
0.04 |
Gaspeite |
1.61 - 1.81 |
Yes |
0.22 |
Imperial Topaz |
1.609 - 1.643 |
Yes |
0.008 to 0.016 |
Mystic Topaz |
1.609 - 1.643 |
Yes |
0.008 to 0.016 |
Rutile Topaz |
1.609 - 1.643 |
Yes |
0.008 to 0.016 |
Topaz |
1.609 - 1.643 |
Yes |
0.008 to 0.016 |
Azotic Topaz |
1.609 - 1.643 |
Yes |
0.008 to 0.016 |
Sugilite |
1.607 - 1.611 |
Yes |
0.001 to 0.004 |
Jadeite |
1.6 - 1.627 |
Yes |
0.027 |
Nephrite Jade |
1.6 - 1.627 |
Yes |
0.027 |
Rhodochrosite |
1.6 - 1.82 |
Yes |
0.208 to 0.220 |
Larimar |
1.595 - 1.645 |
Yes |
0.038 |
Howlite |
1.586 - 1.605 |
Yes |
0.019 |
Seraphinite |
1.576 - 1.599 |
Yes |
0,005 to 0.011 |
Emerald |
1.565 - 1.602 |
Yes |
0.006 |
Cat's Eye Aquamarine |
1.564 - 1.596 |
Yes |
0.004 to 0.005 |
Aquamarine |
1.564 - 1.596 |
Yes |
0.004 to 0.005 |
Variscite |
1.563 - 1.594 |
Yes |
0.031 |
Goshenite |
1.562 - 1.602 |
Yes |
0.004 to 0.010 |
Morganite |
1.562 - 1.602 |
Yes |
0.004 to 0.010 |
Beryl |
1.562 - 1.602 |
Yes |
0.004 to 0.010 |
Serpentine |
1.56 - 1.571 |
Yes |
0.008 to 0.014 |
Labradorite |
1.559 - 1.57 |
Yes |
0.008 to 0.010 |
Hambergite |
1.553 - 1.628 |
Yes |
0.0072 |
Verdite |
1.552 - 1.576 |
None |
NA |
Andesine Labradorite |
1.551 - 1.56 |
Yes |
0.0008 |
Charoite |
1.55 - 1.561 |
Yes |
0.004 to 0.009 |
Mystic Quartz |
1.544 - 1.553 |
Yes |
0.009 |
Ametrine |
1.544 - 1.553 |
Yes |
0.009 |
Aventurine |
1.544 - 1.553 |
Yes |
0.009 |
Rose Quartz |
1.544 - 1.553 |
Yes |
0.009 |
Smoky Quartz |
1.544 - 1.553 |
Yes |
0.009 |
Pietersite |
1.544 - 1.553 |
Yes |
0.009 |
Strawberry Quartz |
1.544 - 1.553 |
Yes |
0.009 |
Quartz |
1.544 - 1.553 |
Yes |
0.009 |
Citrine |
1.544 - 1.553 |
Yes |
0.009 |
Amethyst |
1.544 - 1.553 |
Yes |
0.009 |
Rutile Quartz |
1.544 - 1.553 |
Yes |
0.009 |
Onyx |
1.544 - 1.553 |
Yes |
up to 0.004 |
Iolite |
1.542 - 1.578 |
Yes |
|
Jasper |
1.54 |
None |
NA |
Peanut Wood |
1.54 |
None |
NA |
Cat's Eye Scapolite |
1.54 - 1.579 |
Yes |
0.006 to 0.037 |
Scapolite |
1.54 - 1.579 |
Yes |
0.006 to 0.037 |
Amber |
1.539 - 1.545 |
None |
NA |
Tiger's Eye |
1.534 - 1.54 |
None |
NA |
Quartz Cat's Eye |
1.534 - 1.54 |
None |
NA |
Tiger's Eye Matrix |
1.534 - 1.54 |
None |
NA |
Bloodstone |
1.53 - 1.54 |
Yes |
up to 0.004 |
Dendritic Agate |
1.53 - 1.54 |
Yes |
up to 0.004 |
Agate Geode |
1.53 - 1.54 |
Yes |
up to 0.004 |
Star Rose Quartz |
1.53 - 1.54 |
Yes |
0.009 |
Agate |
1.53 - 1.54 |
Yes |
up to 0.004 |
Chalcedony |
1.53 - 1.54 |
Yes |
up to 0.004 |
Fossil Coral |
1.53 - 1.54 |
Yes |
up to 0.004 |
Fire Agate |
1.53 - 1.54 |
Yes |
up to 0.004 |
Chrysoprase |
1.53 - 1.54 |
Yes |
0.004 to 0.009 |
Carnelian |
1.53 - 1.54 |
Yes |
up to 0.004 |
Sunstone |
1.525 - 1.548 |
Yes |
0.01 |
Star Sunstone |
1.525 - 1.548 |
Yes |
0.01 |
Lepidolite |
1.525 - 1.586 |
Yes |
0.0290 to 0.0380 |
Amazonite |
1.522 - 1.53 |
Yes |
0.008 |
Maw-Sit-Sit |
1.52 - 1.74 |
Yes |
0.0150 to 0.020 |
Pearl |
1.52 - 1.69 |
Yes |
0.156 |
Ammolite |
1.52 - 1.68 |
Yes |
0.155 |
Rainbow Moonstone |
1.518 - 1.526 |
Yes |
0.008 |
Star Moonstone |
1.518 - 1.526 |
Yes |
0.008 |
Orthoclase |
1.518 - 1.53 |
Yes |
0.008 |
Moonstone |
1.518 - 1.526 |
Yes |
0.008 |
Lapis Lazuli |
1.5 |
None |
NA |
Coral |
1.486 - 1.658 |
Yes |
White and red:
0.160 to 0.172 |
Calcite |
1.486 - 1.658 |
Yes |
0.172 |
Sodalite |
1.48 |
None |
NA |
Hackmanite |
1.48 |
None |
NA |
Moldavite |
1.48 - 1.54 |
None |
NA |
Chrysocolla |
1.469 - 1.57 |
Yes |
0.023 to 0.040 |
Obsidian |
1.45 - 1.55 |
None |
NA |
Snowflake Obsidian |
1.45 - 1.55 |
None |
NA |
Fluorite |
1.434 |
None |
NA |
Boulder Opal |
1.37 - 1.52 |
None |
NA |
Opal Doublet |
1.37 - 1.52 |
None |
NA |
Opal |
1.37 - 1.52 |
None |
NA |
Fire Opal |
1.37 - 1.52 |
None |
NA |
Moss Opal |
1.37 - 1.52 |
None |
NA |
|
