Origin
Southern and central Africa
Spain, China
Color
Colorless, Brown, Greenish, gray
Red, gray, Brown, pink
Streak
White
Scarlet, Red
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Slightly sectile
Solubility
-
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
-
-
Specific Gravity
2.62-2.672
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
From the Greek, oligos and kasein, little cleavage.
Prismatic {10 1 0}, perfect
Mohs Hardness
6-6.52-2.5
2
10
👆🏻
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
-
Dispersion
0.010.06
0.005
1
👆🏻
Transparency
-
Translucent
Refractive Index
1.538-1.5502.905-3.25
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.010-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Physical
Neurological
Enhances mental clarity and focus
Boosts mental agility and focus
Cardiovascular
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-
Respiratory
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Poor
Reproductive
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-
Digestive
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Psychology
Harmony
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Manifestation