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Dravite
Dravite

Zoisite
Zoisite



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Dravite
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Zoisite

Dravite Vs Zoisite

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1 Astrology
1.1 Origin
Southern and central Africa
Pakistan, Tanzania
1.2 Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black, Green, Red, Blue, White
Brown, gray, Green, Blue, rose, Red
1.3 Streak
Colorless
White, Colorless
1.4 For which Rashi?
Not Available
Not Available
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
Not Available
Not Available
1.7 How to Wear?
1.7.1 Finger
Not Available
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1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
Not Available
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1.10 Not to wear with
Not Available
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1.11 Powers
Not Available
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1.12 Birthstone
1.12.1 Planetary
Not Available
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1.12.2 Talisman
Not Available
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2 Physical Properties
2.1 Tenacity
Not Available
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2.2 Solubility
Not Available
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2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.03-3.183.20-3.50
Amber
1 7.18
2.5 Fracture
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
2.6 Cleavage
{???} Indistinct
Perfect {010} imperfect {100}
2.7 Mohs Hardness
7-7.56-7
Amber
2 10
2.8 Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Ca2Al3(SiO4)3(OH)
3 Optical Properties
3.1 Luster
Vitreous
Vitreous
3.2 Pleochroism
Very strong: pale yellow colorless
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
3.3 Dispersion
0.020.02
Fluorite
0.007 1
3.4 Transparency
Transparent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
3.5 Refractive Index
1.614-1.6661.685-1.707
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Orthorhombic
3.8 Birefringence
0.014-0.0320.006-0.018
Achroite
0 0.296
3.9 Clarity
Transparent
Transparent
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
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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
Not Available
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4.3 Healing
Not Available
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4.4 Qualities Associated
Not Available
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Dravite Vs Zoisite Fracture

Fracture is an important parameter when you compare Dravite and Zoisite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dravite Vs Zoisite 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 Dravite is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Irregular, Uneven and Uneven. Zoisite fracture is Conchoidal, ConchoidalArthur Thomas, Even, Gemstones (2009) and Uneven.

Dravite Vs Zoisite Luster

A primary knowledge about Dravite vs Zoisite 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. Dravite exhibits Vitreous luster. Zoisite, on other hand, exhibits Vitreous luster.