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Prehnite
Prehnite

Cordierite
Cordierite



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Prehnite
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Cordierite

Prehnite Vs Cordierite

1 Astrology
1.1 Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
1.2 Color
Green, Colorless, gray, Yellow, White
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
1.3 Streak
Colorless
White
1.4 For which Rashi?
Libra
Not Available
1.5 Planet
Venus
Not Available
1.6 Element of Planets
Earth
Not Available
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
Receptive
Not Available
1.9 Deities
Freya
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
Brittle
Brittle
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.80-2.95
2.57-2.66
2.5 Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Subconchoidal, Conchoidal, Brittle
2.6 Cleavage
Distinct on [001]
Fair on {100}, poor on {001} and {010}
2.7 Mohs Hardness
6-6.5
7-7.5
2.8 Chemical Composition
Ca2Al2Si3O12(OH)
Mg2Al4Si5O18
3 Optical Properties
3.1 Luster
Vitreous
Greasy, Vitreous
3.2 Pleochroism
AbsentWalter Schumann
X = pale yellow
3.3 Dispersion
Albite
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite
ADD ⊕
3.4 Transparency
Translucent
Not Available
3.5 Refractive Index
1.611-1.673
Not Available
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
0.021-0.033
Not Available
3.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Not Available
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

Prehnite Vs Cordierite Fracture

Fracture is an important parameter when you compare Prehnite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prehnite Vs Cordierite 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 Prehnite is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow. Cordierite fracture is Brittle, Conchoidal and Subconchoidal.

Prehnite Vs Cordierite Luster

A primary knowledge about Prehnite vs Cordierite 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. Prehnite exhibits Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.