Origin
Spain, Brazil, USA, Sri Lanka, Burma, Color: strongly pleochroic, reddish brown, pink / yellowish green, Hardness: 7 7.5, Refractive index: 1.63 1.65, Density: 3.13 3.21, Chemical composition: Al2SiO5, Crystal structure: orthorhombic, Lustre: vitreous, greasy, Origins: Spain, Brazil, USA, Sri Lanka, Burma. Discovered in Andalusia (Spain), the andalusite stone is relatively rare, with big crystals over 10 ct. especially rare. Due to its remarkable pleochroism effect, the stone is highly valued by collectors., brown
Southern and central Africa
Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Green, gray, Brown, Red
White, Colorless, White, Red
For which Rashi?
All
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Planet
Venus
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Element of Planets
Not Available
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Finger
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Ring Metal
Not Available
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Energy
Projective, Receptive
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Deities
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Not to wear with
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Powers
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Planetary
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Talisman
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Tenacity
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.05-3.21
3.28-3.335
Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Brittle, Metallic, Brittle, Metallic
Cleavage
Good on {110}, poor on {100}
{010} Perfect
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Pearly
Pleochroism
strongly trichroic
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Transparency
Transparent, Translucent
Transparent
Refractive Index
1.627-1.650
1
Optic Character
Not Available
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Crystal System
Orthorhombic
Monoclinic Domatic H-M Symbol (m) Space Group: Aa
Birefringence
0.009-0.010
Not Available
Clarity
Transparent
Transparent
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Andalusite Vs Clinohedrite Fracture
Fracture is an important parameter when you compare Andalusite and Clinohedrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Clinohedrite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Andalusite is Gemstones (2009), Splintery, Subconchoidal, Subconchoidal, Uneven, Uneven and UnevenArthur Thomas. Clinohedrite fracture is Brittle, Brittle, Metallic and Metallic.
Andalusite Vs Clinohedrite Luster
A primary knowledge about Andalusite vs Clinohedrite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Andalusite exhibits Greasy and Vitreous luster. Clinohedrite, on other hand, exhibits Pearly luster.