Origin
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Blue, Violet, Colorless, Red, Green, Brown
For which Rashi?
-
Sagittarius, Scorpio
Specific Gravity
3.01-3.06
3.64-3.66
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Indiscernible
None, but may exhibit slight parting
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.
MgAl2O4
Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Absent
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.614-1.666
1.73
Crystal System
-
Isometric
Birefringence
0.014-0.040
-9999
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Respiratory
Excellent
Good
Psychology
Passion
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Vitality
Rubellite Vs Spinel Fracture
Fracture is an important parameter when you compare Rubellite and Spinel Physical Properties. It is necessary to understand the significance of these properties, before you compare Rubellite Vs Spinel 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. Spinel fracture is Conchoidal and Uneven.
Rubellite Vs Spinel Luster
A primary knowledge about Rubellite vs Spinel 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. Spinel, on other hand, exhibits Vitreous luster.