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Cassiterite
Cassiterite

Norbergite
Norbergite



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Cassiterite
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Norbergite

Cassiterite Vs Norbergite

1 Astrology
1.1 Origin
Sri Lanka
USA
1.2 Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Yellow, White, Brown, Red
1.3 Streak
White, Brownish, Brownish, White
White
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
Not Available
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
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Brittle
Not Available
2.2 Solubility
insoluble
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
6.86-7.033.177
Amber
1 7.18
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
{???} Distinct
2.7 Mohs Hardness
6-76-6.5
Amber
2 10
2.8 Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
3 Optical Properties
3.1 Luster
Adamantine, Greasy
Vitreous
3.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Pale yellow very pale yellow colorlessAnthony et al
3.3 Dispersion
0.07NA
Fluorite
0.007 1
3.4 Transparency
Transparent, Translucent
Transparent
3.5 Refractive Index
1.990-2.1051.563-1.593
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
tetragonal
Not Available
3.8 Birefringence
0.096-0.098Not Available
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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Cassiterite Vs Norbergite Fracture

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

Cassiterite Vs Norbergite Luster

A primary knowledge about Cassiterite vs Norbergite 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. Cassiterite exhibits Adamantine and Greasy luster. Norbergite, on other hand, exhibits Vitreous luster.