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school gemological spectroscope
Selling leads
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... marked on the pens. It includes:1, Talc 2, Gypsum 3, Calcite 4, Fluorite 5, Apatite 6, Feldspar 7, Quartz 8, Topaz 9, Corundum 10, Diamond ...
2026-04-29 00:03:01
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... than that hardness marked on the pens. Applications: Gemological labs, gemology schools/institutes, jewelry/gem industry, --etc. Quantity 5 Items ...
2024-12-09 13:18:55
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..., the gemstone hardness is lower than that hardness marked on the pens. It includes:4, Fluorite 5, Apatite 6, Feldspar 7, Quartz 8, Topaz 9, ...
2024-12-09 13:18:55
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..., the gemstone hardness is lower than that hardness marked on the pens. Applications: Gemological labs, gemology schools/institutes, jewelry/gem ...
2024-12-09 13:18:55
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... to clip the Gemstone in the Jewelry Industrial, Fable Tweezers with: 1. Size:M; 2. With excellent elastic. 3. Material: Titanium alloy. 4. With ...
2024-12-09 13:25:29
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... the Gemstone in the Jewelry Industrial, Fable Tweezers with: 1. Size:M; 2. With excellent elastic. 3. Material: Fine stainless steel. 4. With ...
2024-12-09 13:25:29
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... Parameter Magnification 10X Size of lens 25mm Material Glass Body case plastic Color Silver and Black Applications: Gemology school, Jewelry ...
2024-12-09 10:55:03
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Gem Faceting Machine with wheel index of 96 and 64, Voltage AC220V FJM-2014 Model number: FJM-2014 Applications: gemology, gem/jewellry manufacturing ...
2024-12-09 11:09:10
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... the gemstone which with hardness up to 9. Applications: gemology, gem/jewellry manufacturing industry, jewellery technology school, etc Details: 1...
2024-12-09 11:09:10
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