Benitoite Vs Rubellite
Origin
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Violet, Blue, Colorless, pink, White
White, Colorless, Blue, Red, Green, Yellow, Violet
Solubility
Insoluble: HCl
-
Specific Gravity
3.61-3.68
3.01-3.06
Fracture
Conchoidal
Conchoidal
Cleavage
[10 1 1] poor
Indiscernible
Mohs Hardness
6-6.5
7-7.5
Chemical Composition
BaTiSi 3O 9Michael 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
O = colorless; E = purple
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.757-1.804
1.614-1.666
Crystal System
Hexagonal
-
Birefringence
0.047
0.014-0.040
Clarity
Transparent
Transparent
Respiratory
Good
Excellent
Psychology
Transformation
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Passion
Benitoite Vs Rubellite Fracture
Fracture is an important parameter when you compare Benitoite and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Benitoite 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 Benitoite is Conchoidal. Rubellite fracture is Conchoidal.
Benitoite Vs Rubellite Luster
A primary knowledge about Benitoite 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. Benitoite exhibits Vitreous luster.