Boracite Vs Zinnwaldite
Origin
Boracite is found in evaporite deposits, Southern and central Africa, anhydrite and/or halite. Arthur Thomas
  
Not Available
  
Color
Colorless, White, Yellow, Blue, Green, Colorless, gray, Yellow, White
  
Yellow, Violet, Green, Brown, White, gray, Greenish
  
Streak
White
  
White
  
For which Rashi?
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Planet
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Element of Planets
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How to Wear?
  
  
Finger
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Ring Metal
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Energy
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Deities
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Not to wear with
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Powers
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Birthstone
  
  
Planetary
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Talisman
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Tenacity
Brittle
  
Elastic
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
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Specific Gravity
2.95-2.96
  
2.9-3.1
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Uneven
  
Cleavage
None
  
Perfect basal {001}
  
Mohs Hardness
7-7.5
  
3.5-4.0
  
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Luster
Vitreous, Adamantine
  
Pearly, Vitreous
  
Pleochroism
None
  
Distinct
  
Dispersion
Not Available
  
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Transparency
Transparent
  
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Refractive Index
1.658-1.673
  
1.565-1.625
  
Optic Character
Not Available
  
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Crystal System
Orthorhombic
  
monoclinic
  
Birefringence
0.010-0.011
  
0.040-0.050
  
Clarity
Transparent
  
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Physical
  
  
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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Boracite Vs Zinnwaldite Fracture
Fracture is an important parameter when you compare Boracite and Zinnwaldite Physical Properties. It is necessary to understand the significance of these properties, before you compare Boracite Vs Zinnwaldite 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 Boracite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Zinnwaldite fracture is Uneven.
Boracite Vs Zinnwaldite Luster
A primary knowledge about Boracite vs Zinnwaldite 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. Boracite exhibits Adamantine and Vitreous luster. Zinnwaldite, on other hand, exhibits Pearly and Vitreous luster.