1 Astrology
1.1 Origin
Australia, Spain, Brazil, Germany, Australia, Spain, Brazil, Germany, Australia, Spain, Brazil
Australia
1.2 Color
Green, Blue, Colorless
Brown, Brown, Reddish, Brownish, Yellow, Brown, Reddish, Brownish, Yellow
1.3 Streak
White
Brown, Brownish, Yellow
1.4 For which Rashi?
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
1.9 Deities
Past Life Recall
Not Available
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Not Available
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
HCl soluble
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.42-2.584.27-4.29
1
7.18
2.5 Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
2.6 Cleavage
[010] perfect
Perfect {010}
2.7 Mohs Hardness
2.8 Chemical Composition
AlPO4 · 2(H2O)
FeO(OH)Arthur Thomas , Gemstones (2009)
3 Optical Properties
3.1 Luster
Vitreous, Waxy
Adamantine
3.2 Pleochroism
MissingWalter Schumann
VisibleArthur Thomas
3.3 Dispersion
3.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Gemstones (2009)
3.5 Refractive Index
1.560-1.5942.26-2.398
1
3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
3.9 Clarity
Translucent
Gemstones (2009)
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available