Dumortierite Vs Vesuvianite Idocrase
Origin
Southern and central Africa
Canada, USA, Southern and central Africa
Color
Blue, Violet, Brown, White, Greenish, pink
Green
For which Rashi?
Leo, Sagittarius
-
Element of Planets
Water
-
Specific Gravity
3.26-3.41
3.25-3.50
Fracture
Fibrous, ConchoidalWalter Schumann
Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Distinct
Mohs Hardness
7-8.5
-9999
Chemical Composition
AlAl6O3BSi3O18
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
-
Transparency
Translucent, Translucent to opaque
Transparent
Refractive Index
1.669-1.723
1.700-1.725
Optic Character
-
Uniaxial/-
Crystal System
Orthorhombic
-
Birefringence
0.011-0.037
0.002-0.012
Clarity
Translucent
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Patience
Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Patience
Healing
Dumortierite Vs Vesuvianite Idocrase Fracture
Fracture is an important parameter when you compare Dumortierite and Vesuvianite Idocrase Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite Vs Vesuvianite Idocrase 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 Fibrous and ConchoidalWalter Schumann. Vesuvianite Idocrase fracture is Uneven.
Dumortierite Vs Vesuvianite Idocrase Luster
A primary knowledge about Dumortierite vs Vesuvianite Idocrase 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.