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Onyx
Onyx

Dumortierite
Dumortierite



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Onyx
X
Dumortierite

Onyx Vs Dumortierite

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1 Astrology
1.1 Origin
Not Available
Southern and central Africa, violet, blue, violet, blue
1.2 Color
White
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
1.3 Streak
Not Available
White
1.4 For which Rashi?
Capricorn
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
1.5 Planet
Saturn
Saturn
1.6 Element of Planets
Not Available
Water
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
Projective
Receptive
1.9 Deities
Mars
Isis
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Protection
Healing
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Capricorn
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
2.55-2.703.26-3.41
Amber
1 7.18
2.5 Fracture
Not Available
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
2.6 Cleavage
Indiscernible
Distinct on {100}, poor on {110}; parting on {001}
2.7 Mohs Hardness
6.5-77-8.5
Amber
2 10
2.8 Chemical Composition
SiO2
AlAl6O3BSi3O18
3 Optical Properties
3.1 Luster
Vitreous
Vitreous
3.2 Pleochroism
Not Available
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
3.3 Dispersion
NANone
Fluorite
0.007 1
3.4 Transparency
Translucent, Opaque, Translucent to opaque
Translucent, Translucent to opaque
3.5 Refractive Index
1.530-1.5431.669-1.723
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Trigonal
Orthorhombic
3.8 Birefringence
Not Available0.011-0.037
Achroite
0 0.296
3.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent
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

Onyx Vs Dumortierite Fracture

Fracture is an important parameter when you compare Onyx and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Onyx Vs Dumortierite 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. Dumortierite fracture is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references.

Onyx Vs Dumortierite Luster

A primary knowledge about Onyx vs Dumortierite 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. Onyx exhibits Vitreous luster. Dumortierite, on other hand, exhibits Vitreous luster.