Rubellite Vs Apophyllite
Origin
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
India, Canada, Brazil
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Colorless, Reddish, White, pink, Green, Yellow, Violet, Blue, Brown
Specific Gravity
3.01-3.06
2.30-2.50
Fracture
Conchoidal
Uneven
Cleavage
Indiscernible
Perfect on (001)
Mohs Hardness
7-7.5
4.5-5
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.
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Luster
-
Vitreous, Pearly
Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Dichroic (colorless)
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.614-1.666
1.530-1.543
Optic Character
-
Uniaxial/-
Crystal System
-
tetragonal
Birefringence
0.014-0.040
0.000-0.003
Clarity
Transparent
Transparent
Neurological
-
Aids in mental clarity and intuition
Respiratory
Excellent
Good
Psychology
Passion
Spiritual Connection
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Connection to Spiritual Guides
Rubellite Vs Apophyllite Fracture
Fracture is an important parameter when you compare Rubellite and Apophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rubellite Vs Apophyllite 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. Apophyllite fracture is Uneven.
Rubellite Vs Apophyllite Luster
A primary knowledge about Rubellite vs Apophyllite 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. Apophyllite, on other hand, exhibits Vitreous and Pearly luster.