Sinhalite Vs Rubellite
Origin
Sri Lanka, Burma, USA, Russia
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Yellow, Brown, pink, Colorless
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
3.46-3.50
3.01-3.06
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect
Indiscernible
Chemical Composition
MgAlBO 4Michael 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
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
-
Transparent, Translucent
Refractive Index
1.665-1.712
1.614-1.666
Crystal System
Orthorhombic
-
Birefringence
0.036-0.042
0.014-0.040
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Respiratory
Good
Excellent
Psychology
Intuition
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Passion
Sinhalite Vs Rubellite Fracture
Fracture is an important parameter when you compare Sinhalite and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sinhalite 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 Sinhalite is Conchoidal. Rubellite fracture is Conchoidal.
Sinhalite Vs Rubellite Luster
A primary knowledge about Sinhalite 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.