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Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321

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Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321

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Place of Origin : China

Brand Name : CNOEC, OPTO-EDU

Certification : CE,

Model Number : A24.6321

MOQ : 1 pc

Price : FOB $1~1000, Depend on Order Quantity

Packaging Details : Carton Packing, For Export Transportation

Delivery Time : 5~20 Days

Payment Terms : T/T, West Union, Paypal

Supply Ability : 5000 pcs/ Month

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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

Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321


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