Origin
Southern and central Africa
Mexico
Color
Brown, White, Greenish, gray, Green, Brownish
White, gray, Brownish, Yellow, Greenish
Streak
gray
White
For which Rashi?
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Planet
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-
Element of Planets
-
-
Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
-
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Birthstone
Planetary
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Talisman
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Tenacity
-
Sectile
Solubility
-
Soluble
Durability
-
-
Specific Gravity
2.9-3.56.13
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Distinct on {001} and {110}, indistinct on {100}
Mohs Hardness
5.5-62-3
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Adamantine
Pleochroism
-
Weakly pleochroic with O reddish and E greenish in thick sections.
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.603-1.6902.117-2.145
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
tetragonal
Birefringence
-99990.027
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances brain function
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Cardiovascular
Supports heart health
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Respiratory
Good
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Reproductive
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Digestive
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Psychology
Peace
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Healing
Emotional healing
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Qualities Associated
Self-discovery
Transformation