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Andean Opal
Andean Opal

Andalusite
Andalusite



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Andean Opal
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Andalusite

Andean Opal Vs Andalusite

1 Astrology
1.1 Origin
Not Available
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
1.2 Color
Blue
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Green, gray, Brown, Red
1.3 Streak
Not Available
White
1.4 For which Rashi?
Not Available
All
1.5 Planet
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Venus
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
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1.7.2 Ring Metal
Not Available
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1.8 Energy
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Projective, Receptive
1.9 Deities
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1.10 Not to wear with
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Not Available
1.11 Powers
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1.12 Birthstone
1.12.1 Planetary
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1.12.2 Talisman
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2 Physical Properties
2.1 Tenacity
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2.2 Solubility
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2.3 Durability
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2.4 Specific Gravity
Not Available
3.05-3.21
2.5 Fracture
Not Available
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
2.6 Cleavage
Not Available
Good on {110}, poor on {100}
2.7 Mohs Hardness
Not Available
7.5
2.8 Chemical Composition
Not Available
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
3 Optical Properties
3.1 Luster
Not Available
Vitreous, Greasy
3.2 Pleochroism
Not Available
strongly trichroic
3.3 Dispersion
Albite
Not Available
Rank: N/A (Overall)
0.02
Rank: 23 (Overall)
Fluorite
ADD ⊕
3.4 Transparency
Transparent
Transparent, Translucent
3.5 Refractive Index
Not Available
1.627-1.650
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
Orthorhombic
3.8 Birefringence
Not Available
0.009-0.010
3.9 Clarity
Transparent
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
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4.1.2 Cardiovascular
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4.1.3 Respiratory
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4.1.4 Reproductive
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4.1.5 Digestive
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4.2 Psychology
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4.3 Healing
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4.4 Qualities Associated
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Andean Opal Vs Andalusite Fracture

Fracture is an important parameter when you compare Andean Opal and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andean Opal 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. Andalusite fracture is Gemstones (2009), Splintery, Subconchoidal, Subconchoidal, Uneven, Uneven and UnevenArthur Thomas.

Andean Opal Vs Andalusite Luster

A primary knowledge about Andean Opal 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. Andalusite, on other hand, exhibits Greasy and Vitreous luster.