Origin
Brazil
Mozambique, Southern and central Africa
Color
Yellow, Brown, Black, Colorless, White, Brownish
Yellow, Reddish, Brown, Greenish
Solubility
Effervesces in hot HCl
-
Specific Gravity
2.92-3.12
-9999
Fracture
Conchoidal
Conchoidal
Cleavage
[10 1 1] perfect
{???} Perfect
Mohs Hardness
3.5-4.5
5.5-6
Chemical Composition
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SbTaO 4Ulrich Henn and Claudio C.
Luster
Vitreous
Adamantine
Transparency
Translucent
-
Refractive Index
1.509-1.720
2.37-2.45
Crystal System
Trigonal
-
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Digestive
Supports digestive health
Soothes the digestive system
Psychology
Calming
Creativity
Healing
Emotional healing
Physical healing
Qualities Associated
Relaxation
Creativity