Origin
Canada, Brazil, Madagascar, Mozambique, Russia, India, Pakistan, China, Sri Lanka, Origins: Canada, Namibia
Southern and central Africa
Color
Green, Blue, Yellow, Colorless, pink
Blue, Violet, Brown, White, Greenish, pink
For which Rashi?
-
Leo, Sagittarius
Element of Planets
-
Water
Specific Gravity
2.60-2.90
3.26-3.41
Fracture
Uneven, Conchoidal, Irregular
Fibrous, ConchoidalWalter Schumann
Cleavage
Imperfect on {0001}
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
7.5-8
7-8.5
Chemical Composition
Be3Al2Si6O18
AlAl6O3BSi3O18
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Weak to distinct
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Transparency
Transparent, Transparent to opaque
Translucent, Translucent to opaque
Refractive Index
1.560-1.604
1.669-1.723
Crystal System
Hexagonal
Orthorhombic
Birefringence
0.0040-0.0070
0.011-0.037
Clarity
Transparent
Translucent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Psychology
Communication
Patience
Healing
Physical healing
Emotional healing
Qualities Associated
Courage
Patience
Beryl Vs Dumortierite Fracture
Fracture is an important parameter when you compare Beryl and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Beryl 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 Beryl is Uneven, Conchoidal and Irregular. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.
Beryl Vs Dumortierite Luster
A primary knowledge about Beryl 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. Beryl exhibits Vitreous and Resinous luster. Dumortierite, on other hand, exhibits Vitreous luster.