Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Southern and central Africa
Color
Yellow, Brown, Colorless, White, gray, Brownish
Brown, White, Greenish, gray, Green, Brownish
Streak
White
gray
For which Rashi?
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Planet
-
-
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
-
-
Birthstone
Planetary
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Talisman
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-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.032.9-3.5
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
{001} Poor
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
75.5-6
2
10
👆🏻
Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
Weak: pale yellow yellow
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.627-1.6391.603-1.690
1
3.25
👆🏻
Optic Character
Biaxial/+
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.006-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
Enhances brain function
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
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Psychology
Spiritual Awareness
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Awakening
Self-discovery