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Powellite
Powellite

Mellite
Mellite



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Powellite
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Mellite

Powellite Vs Mellite

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1 Astrology
1.1 Origin
India
Southern and central Africa
1.2 Color
Yellow, Greenish, Blue, Brown, Green, gray
Brown, Brownish, White, Colorless, Yellow
1.3 Streak
Yellow
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
Not Available
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
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
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
4.231.58-1.60
Amber
1 7.18
2.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
2.6 Cleavage
{111} Distinct
{011} Imperfect
2.7 Mohs Hardness
3.5-42
Amber
2 10
2.8 Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Greasy, Subadamantine
Vitreous
3.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
Weak: yellowish brown yellowAnthony et al
3.3 Dispersion
NANA
Fluorite
0.007 1
3.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.974-1.9841.509-1.541
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Not Available
Not Available
3.8 Birefringence
Not Available0.030
Achroite
0 0.296
3.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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

Powellite Vs Mellite Fracture

Fracture is an important parameter when you compare Powellite and Mellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Powellite Vs Mellite 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 Powellite is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al. Mellite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001).

Powellite Vs Mellite Luster

A primary knowledge about Powellite vs Mellite 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. Powellite exhibits Greasy and Subadamantine luster. Mellite, on other hand, exhibits Vitreous luster.