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Dumortierite
Dumortierite

Opal
Opal



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X
Dumortierite
X
Opal

Dumortierite Vs Opal

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1 Astrology
1.1 Origin
Southern and central Africa, violet, blue, violet, blue
Ethiopia
1.2 Color
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Yellow, White, Red, Brown, Blue
1.3 Streak
White
White
1.4 For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Cancer, Libra, Scorpio, Cancer, Libra, Scorpio, Cancer, Libra, Scorpio
1.5 Planet
Saturn
Mercury
1.6 Element of Planets
Water
Earth, Air, 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
Receptive
Projective, Receptive
1.9 Deities
Isis
Cupid
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Healing
Astral Projection, Psychicism
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
BrittleWalter Schumann
2.2 Solubility
Not Available
hot salt water
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
3.26-3.411.98-2.25
Amber
1 7.18
2.5 Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
2.6 Cleavage
Distinct on {100}, poor on {110}; parting on {001}
None
2.7 Mohs Hardness
7-8.55-6.5
Amber
2 10
2.8 Chemical Composition
AlAl6O3BSi3O18
SiO2 · nH2O
3 Optical Properties
3.1 Luster
Vitreous
Vitreous, Pearly
3.2 Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
None
3.3 Dispersion
NoneNone
Fluorite
0.007 1
3.4 Transparency
Translucent, Translucent to opaque
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.669-1.7231.37-1.52
Agate Opal
1 3.25
3.6 Optic Character
Not Available
Not Available
3.7 Crystal System
Orthorhombic
Trigonal
3.8 Birefringence
0.011-0.037Not Available
Achroite
0 0.296
3.9 Clarity
Translucent
Transparent
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

Dumortierite Vs Opal Fracture

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

Dumortierite Vs Opal Luster

A primary knowledge about Dumortierite vs Opal 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. Dumortierite exhibits Vitreous luster. Opal, on other hand, exhibits Pearly and Vitreous luster.