Sugilite Vs Rubellite
Origin
Canada, Southern and central Africa, Italy, Australia, India
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Violet, Brownish, Yellow, Reddish, Pale pink
White, Colorless, Blue, Red, Green, Yellow, Violet
Planet
Mercury, Jupiter
-
Element of Planets
Water
-
Specific Gravity
2.69-2.79
3.01-3.06
Fracture
Conchoidal
Conchoidal
Cleavage
Poor on {0001}
Indiscernible
Mohs Hardness
5.5-6.5
7-7.5
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael 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
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.607-1.612
1.614-1.666
Crystal System
Hexagonal
-
Birefringence
0.003
0.014-0.040
Clarity
Translucent
Transparent
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Excellent
Psychology
Spirituality
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Protection
Passion
Sugilite Vs Rubellite Fracture
Fracture is an important parameter when you compare Sugilite and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sugilite 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 Sugilite is Conchoidal. Rubellite fracture is Conchoidal.
Sugilite Vs Rubellite Luster
A primary knowledge about Sugilite 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. Sugilite exhibits Vitreous luster.