Origin
Sri Lanka
Italy
Color
Red, Blue, Green, Brown, Black
Yellow, orange, Red
Streak
White
-
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.63-3.93.355-3.433
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven
Cleavage
Indistinct
{???} Good, {???} Good
Mohs Hardness
7.5-8-9999
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
Absent
In thick sections
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.770-1.7801.690-1.705
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
-
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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-
Cardiovascular
Supports heart health
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Respiratory
Good
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Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Creativity
-
Healing
Emotional healing
Physical healing
Qualities Associated
Emotional Healing
Harmony