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Alunite
Alunite

Grandidierite
Grandidierite



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Alunite
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Grandidierite

Alunite Vs Grandidierite

1 Astrology
1.1 Origin
Australia, Italy
Madagascar
1.2 Color
Yellow, Red, Reddish, Brown, Colorless, White, Yellow, Red, Reddish, Brown, Colorless, White, gray, White, gray, Reddish, White, gray, Reddish, White, gray, Reddish
Green
1.3 Streak
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
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
Brittle
Not Available
2.2 Solubility
Soluble
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.6-2.92.85-3.00
Amber
1 7.18
2.5 Fracture
Conchoidal, Uneven
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
2.6 Cleavage
On {0001}, perfect
Perfect
2.7 Mohs Hardness
3.5-47.5
Amber
2 10
2.8 Chemical Composition
KAl3(SO4)2(OH)6
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Pearly
3.2 Pleochroism
Not Available
visible
3.3 Dispersion
NANA
Fluorite
0.007 1
3.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
3.5 Refractive Index
1.5721.578-1.639
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Orthorhombic
3.8 Birefringence
0.0200.037-0.039
Achroite
0 0.296
3.9 Clarity
Not Available
Gemmological Tables (2004) More from other references
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

Alunite Vs Grandidierite Fracture

Fracture is an important parameter when you compare Alunite and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alunite Vs Grandidierite 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 Alunite is Conchoidal and Uneven. Grandidierite fracture is Brittle, Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas.

Alunite Vs Grandidierite Luster

A primary knowledge about Alunite vs Grandidierite 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. Alunite exhibits Pearly and Vitreous luster. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.