Origin
Southern and central Africa
Southern and central Africa
Color
Black, Reddish, gray, Red
Blue, Violet, Brown, White, Greenish, pink
Streak
Black, Brown, Reddish, Red
White
For which Rashi?
Aries, Aquarius
Leo, Sagittarius
Element of Planets
-
Water
Specific Gravity
5.00-5.30
3.26-3.41
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Fibrous, ConchoidalWalter Schumann
Cleavage
None, may show partings on {0001} and {10 1 1}
Distinct on {100}, poor on {110}; parting on {001}
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
AlAl6O3BSi3O18
Pleochroism
O = brownish red; E = yellowish red
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Transparency
OpaqueHerve Nicolas Lazzarelli
Translucent, Translucent to opaque
Refractive Index
2.690-3.220
1.669-1.723
Crystal System
Trigonal
Orthorhombic
Birefringence
0.280
0.011-0.037
Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Psychology
Grounding
Patience
Healing
Physical healing
Emotional healing
Qualities Associated
Grounding
Patience
Hematite Vs Dumortierite Fracture
Fracture is an important parameter when you compare Hematite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Hematite 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. Fracture observed in Hematite is Uneven, ConchoidalWalter Schumann and Conchoidal. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.
Hematite Vs Dumortierite Luster
A primary knowledge about Hematite 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. Dumortierite, on other hand, exhibits Vitreous luster.