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16.9.2: Tashmarine™

Last updated

May 6, 2022
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- 16.9.1: Chrome Diopside
- 16.10: Feldspar

gemology
Gemology Project

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Tashmarine Diopside
Chemical composition	CaMg(SiO₃)₂alcium magnesium silicate
Crystal system	Monoclinic
Habit	Prismatic, waterworn pebbles
Cleavage	Distinct
Fracture	Conchoidal
Hardness	5
Optic nature	Biaxial +
Refractive index	1.667-1.693
Birefringence	0.025
Dispersion	Low, 0.013
Specific gravity	3.29
Lustre	Vitreous
Pleochroism	Weak to none

Tashmarine™ is a trade name for yellowish green diopside found in, amongst other places, Tashkent, Uzbekistan.

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