Origin
Brazil, Colombia, Southern and central Africa
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Greenish, Blue, Colorless, White, Green
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
3.08-3.12
3.01-3.06
Fracture
ConchoidalWalter Schumann
Conchoidal
Cleavage
{010} Perfect
Indiscernible
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Pleochroism
Weak: colorless-(greenish) yellow
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
-
Transparent, Translucent
Refractive Index
1.650-1.677
1.614-1.666
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
-
Birefringence
0.019-0.025
0.014-0.040
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Respiratory
Good
Excellent
Psychology
Harmony
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Passion
Euclase Vs Rubellite Fracture
Fracture is an important parameter when you compare Euclase and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase Vs Rubellite 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. Rubellite fracture is Conchoidal.
Euclase Vs Rubellite Luster
A primary knowledge about Euclase vs Rubellite 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.