Augite Vs Rubellite
Origin
USA, Mexico
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Green, Brown, Greenish, Black
White, Colorless, Blue, Red, Green, Yellow, Violet
Specific Gravity
3.19-3.56
3.01-3.06
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} Perfect, {010} Indistinct
Indiscernible
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
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.
Luster
Vitreous, Resinous
-
Pleochroism
Pale green
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.671-1.774
1.614-1.666
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
-
Birefringence
-9999
0.014-0.040
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Psychology
Courage
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Passion
Augite Vs Rubellite Fracture
Fracture is an important parameter when you compare Augite and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Augite 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 Augite is Uneven and Conchoidal. Rubellite fracture is Conchoidal.
Augite Vs Rubellite Luster
A primary knowledge about Augite 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. Augite exhibits Vitreous and Resinous luster.