Rubellite Vs Anhydrite
Origin
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Mexico
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, Blue, Violet, White, Brown, rose, gray
Specific Gravity
3.01-3.06
2.90-2.98
Fracture
Conchoidal
Conchoidal
Cleavage
Indiscernible
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
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.
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
For violet varieties
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.614-1.666
1.570-1.614
Crystal System
-
Orthorhombic
Birefringence
0.014-0.040
0.042-0.044
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Psychology
Passion
Calmness
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Acceptance
Rubellite Vs Anhydrite Fracture
Fracture is an important parameter when you compare Rubellite and Anhydrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rubellite Vs Anhydrite 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. Anhydrite fracture is Conchoidal.
Rubellite Vs Anhydrite Luster
A primary knowledge about Rubellite vs Anhydrite 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. Anhydrite, on other hand, exhibits Pearly and Greasy luster.