Origin
Brazil, Colombia, Southern and central Africa
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Color
Greenish, Blue, Colorless, White, Green
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
For which Rashi?
-
Pisces, Taurus, Gemini, Libra
Element of Planets
-
Water
Specific Gravity
3.08-3.12
3.95-4.03
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
{010} Perfect
None, but may exhibit parting
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2 O 3
Luster
Vitreous
Vitreous, Adamantine
Pleochroism
Weak: colorless-(greenish) yellow
Strong
Transparency
-
Transparent, Translucent, Transparent to opaque
Refractive Index
1.650-1.677
1.762-1.788
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Trigonal
Birefringence
0.019-0.025
0.008-0.009
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Psychology
Harmony
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Wisdom
Euclase Vs Sapphire Fracture
Fracture is an important parameter when you compare Euclase and Sapphire Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase Vs Sapphire 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. Sapphire fracture is Uneven.
Euclase Vs Sapphire Luster
A primary knowledge about Euclase vs Sapphire 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. Sapphire, on other hand, exhibits Vitreous and Adamantine luster.