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