Dioptase Vs Rubellite
Origin
Kazakhstan
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Green, Blue
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
3.25-3.35
3.01-3.06
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal
Cleavage
Perfect in three directions
Indiscernible
Chemical Composition
CuSiO 2(OH) 2Michael 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
Weak; dark emerald green
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
TranslucentHerve Nicolas Lazzarelli
Transparent, Translucent
Refractive Index
1.644-1.720
1.614-1.666
Crystal System
Trigonal
-
Birefringence
0.051-0.053
0.014-0.040
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent
Neurological
Aids in mental clarity and focus
-
Respiratory
Excellent
Excellent
Psychology
Emotional Healing
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Passion
Dioptase Vs Rubellite Fracture
Fracture is an important parameter when you compare Dioptase and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dioptase 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 Dioptase is Conchoidal and ConchoidalWalter Schumann. Rubellite fracture is Conchoidal.
Dioptase Vs Rubellite Luster
A primary knowledge about Dioptase 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. Dioptase exhibits Vitreous luster.