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Alexandrite
Alexandrite

Dumortierite
Dumortierite



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X
Alexandrite
X
Dumortierite

Alexandrite Vs Dumortierite

1 Astrology
1.1 Origin
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma
Southern and central Africa, violet, blue, violet, blue
1.2 Color
Green
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
1.3 Streak
Not Available
White
1.4 For which Rashi?
Scorpio
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
1.5 Planet
Venus
Saturn
1.6 Element of Planets
Earth
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
Receptive
1.9 Deities
Not Available
Isis
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Love
Healing
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
3.69-3.813.26-3.41
Amber
1 7.18
2.5 Fracture
Not Available
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
2.6 Cleavage
1,1 ; 3,2.
Distinct on {100}, poor on {110}; parting on {001}
2.7 Mohs Hardness
8.57-8.5
Amber
2 10
2.8 Chemical Composition
BeAl 2 O 4
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
Transparent, Transparent to nearly opaque
Translucent, Translucent to opaque
3.5 Refractive Index
1.739-1.7701.669-1.723
Agate Opal
1 3.25
3.6 Optic Character
Biaxial/+
Not Available
3.7 Crystal System
Orthorhombic
Orthorhombic
3.8 Birefringence
0.007-0.0100.011-0.037
Achroite
0 0.296
3.9 Clarity
Transparent
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

Alexandrite Vs Dumortierite Fracture

Fracture is an important parameter when you compare Alexandrite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite 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.

Alexandrite Vs Dumortierite Luster

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