Origin
Brazil, Colombia, Southern and central Africa
Southern and central Africa
Color
Greenish, Blue, Colorless, White, Green
Blue, Violet, Brown, White, Greenish, pink
For which Rashi?
-
Leo, Sagittarius
Element of Planets
-
Water
Specific Gravity
3.08-3.12
3.26-3.41
Fracture
ConchoidalWalter Schumann
Fibrous, ConchoidalWalter Schumann
Cleavage
{010} Perfect
Distinct on {100}, poor on {110}; parting on {001}
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18
Pleochroism
Weak: colorless-(greenish) yellow
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
Refractive Index
1.650-1.677
1.669-1.723
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.025
0.011-0.037
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Psychology
Harmony
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Patience
Euclase Vs Dumortierite Fracture
Fracture is an important parameter when you compare Euclase and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase 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 Euclase is ConchoidalWalter Schumann. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.
Euclase Vs Dumortierite Luster
A primary knowledge about Euclase 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. Euclase exhibits Vitreous luster. Dumortierite, on other hand, exhibits Vitreous luster.