Difference between revisions of "Tashmarine"

From The Gemology Project
Jump to: navigation, search
m
 
Line 1: Line 1:
 
{{tashmarine}}
 
{{tashmarine}}
  
Tashmarine™ is a tradename for yellowish green diopside found in, amongst other places, Tashkent, Uzbekistan.
+
Tashmarine™ is a trade name for yellowish green diopside found in, amongst other places, Tashkent, Uzbekistan.

Latest revision as of 21:43, 23 December 2006

Tashmarine Diopside
Chemical composition CaMg(SiO3)2

Calcium 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.