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$5.99 GEM Refractometer - Refractive Index Chart 125+ Stones
More than 10 available
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Shipping: US-Mainland: $3.00 (more destinations)
Sales Tax: check
Condition: Brand new
Item Description: Laminated Gemstone Refractometer - Refractive Index Chart of over 125 different Gemstones
GEM REFRACTIVE INDEX CHART
Name, Structure Hardness, Specific Gravity, Refractive index, Doubly Refracting (bi-refraction), Achroite ( Tourmaline ), Trigonal 7.53.061.62 - 1.640.018, Agate ( Chalcedony), Trigonal72.611.53 - 1.540.004
National Industrial Supply
30777 Rancho California #891420
Temecula, CA 92589, USA
Phone # 951.308.9269
Fax # 310.733.5480
Email: nisupply at gmail dot com
125+ Gemstones are labeled! A Gem Refractometer without a Refractive Index Chart is like a thermometer without the reference to what is hot or cold!A copy of this comes with each of our Gem Refractometers, but this listing is for a laminated version that will last a much longer time.For LARGER ORDERS, please check out our eCRATER Store!
GEM REFRACTIVE INDEX CHART
Name, Structure Hardness, Specific Gravity, Refractive index, Doubly Refracting (bi-refraction), Achroite ( Tourmaline ), Trigonal 7.53.061.62 - 1.640.018, Agate ( Chalcedony), Trigonal72.611.53 - 1.540.004
National Industrial Supply
30777 Rancho California #891420
Temecula, CA 92589, USA
Phone # 951.308.9269
Fax # 310.733.5480
Email: nisupply at gmail dot com
125+ Gemstones are labeled! A Gem Refractometer without a Refractive Index Chart is like a thermometer without the reference to what is hot or cold!A copy of this comes with each of our Gem Refractometers, but this listing is for a laminated version that will last a much longer time.For LARGER ORDERS, please check out our eCRATER Store!
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