SHAPE CABOCHON. COLOR BLUE. REFRACTIVE INDEX.
19.15 ct BIOTITE – CANADA – Natural Rare Untreated Faceted – FREAKINGCAT
💎 Freakingcat’s Gemstone Database. Biotite represents the “ink-black” soul of the mica group. While it is ubiquitous in granites and schists, the rare, giant”books” of biotite from specialized pegmatites are a prize for the systematic collector.
20.80Cts.100% Natural Designer Picture Jasper Oval 11x18x5mm cab Pair Gemstone
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