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China factories

China factory - Opto-Edu (Beijing) Co., Ltd.

Opto-Edu (Beijing) Co., Ltd.

  • China,Beijing ,Beijing
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  3. Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
China Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
China Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321

  1. China Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
  2. China Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
  3. China Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321

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

  1. MOQ： 1 pc
  2. Price： FOB $1~1000, Depend on Order Quantity
  3. Get Latest Price
Packaging Details Carton Packing, For Export Transportation
Delivery Time 5~20 Days
Payment Terms T/T, West Union, Paypal
Supply Ability 5000 pcs/ Month
Place of Origin China
Brand Name CNOEC, OPTO-EDU
Certification CE,
Model Number A24.6321

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  1. Product Details
  2. Company Details

Product Specification

Packaging Details Carton Packing, For Export Transportation Delivery Time 5~20 Days
Payment Terms T/T, West Union, Paypal Supply Ability 5000 pcs/ Month
Place of Origin China Brand Name CNOEC, OPTO-EDU
Certification CE, Model Number A24.6321
High Light laboratory binocular microscope ，gemological microscope

 

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
 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    1995

  • Total Annual:

    6000000-8000000

  • Employee Number:

    10~20

  • Ecer Certification：

    Verified Supplier

Opto-Edu (Beijing) Co., Ltd.,as one of the leading supplier of optical & educational products from China, we have concentrated in this field for more than 10 years. We have been collecting and supplying different products for our customers all over the world. We have the most ... Opto-Edu (Beijing) Co., Ltd.,as one of the leading supplier of optical & educational products from China, we have concentrated in this field for more than 10 years. We have been collecting and supplying different products for our customers all over the world. We have the most ...

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  • Reach Us
  • Opto-Edu (Beijing) Co., Ltd.
  • F-1501 Wanda Plaza, No. 18 Shijingshan Road, Beijing 100043, China
  • https://www.cnoec.com/

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