Hydrothermal Ruby Marquise

3 years ago
61

Laboratory created (True, Cultured) Hydrothermal Ruby grown by the newest “Platinum” technology. Closest to the natural ruby because of some single water molecules content; have exceptional vitreous-adamantine luster. Stones are perfect AAAAA cut quality

Chemical composition Cr:AI2O3
R.I. = 1.766 - 1.774
Specific gravity: 3.97 - 4.05
Mohs Hardness 9
Crystal system: Hexagonal
Few stones in range from 10x5 to 4x2 mm

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