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