Origin
Linarite, from La Carolina District, Linares, Jaén, Andalusia, Spain, the type locality . Picture width 1.5 mm
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
Color
Blue
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Green, gray, Brown, Red
For which Rashi?
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All
Planet
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Venus
Element of Planets
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Finger
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Ring Metal
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Energy
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Projective, Receptive
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
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Durability
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Specific Gravity
5.35
3.05-3.21
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {100}, imperfect on {001}
Good on {110}, poor on {100}
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
Vitreous, Greasy
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
strongly trichroic
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.809-1.859
1.627-1.650
Optic Character
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Crystal System
monoclinic
Orthorhombic
Birefringence
0.050
0.009-0.010
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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Linarite Vs Andalusite Fracture
Fracture is an important parameter when you compare Linarite and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Linarite Vs Andalusite 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 Linarite is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Andalusite fracture is Gemstones (2009), Splintery, Subconchoidal, Subconchoidal, Uneven, Uneven and UnevenArthur Thomas.
Linarite Vs Andalusite Luster
A primary knowledge about Linarite vs Andalusite 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. Linarite exhibits Sub-Adamantine and Vitreous luster. Andalusite, on other hand, exhibits Greasy and Vitreous luster.