Description
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Gemstone: Natural Pyrite
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Grade: AAA+
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Bead Shape: Round beads
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Colour: Black (Metallic luster)
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Refractive Index (RI): 1.544 – 1.550
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Specific Gravity (SG): 2.65
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Hardness: 6.00 (Mohs scale)
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Indian Trade Name: Pyrite
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Certification: Navratan Gem Testing Laboratory (Report No. NGTL/25/05/1973)
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