Rubellite Vs Sugilite
Origin
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Canada, Southern and central Africa, Italy, Australia, India
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Violet, Brownish, Yellow, Reddish, Pale pink
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Specific Gravity
3.01-3.06
2.69-2.79
Fracture
Conchoidal
Conchoidal
Cleavage
Indiscernible
Poor on {0001}
Mohs Hardness
7-7.5
5.5-6.5
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.
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Weak
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.614-1.666
1.607-1.612
Crystal System
-
Hexagonal
Birefringence
0.014-0.040
0.003
Clarity
Transparent
Translucent
Neurological
-
Enhances mental clarity and focus
Respiratory
Excellent
Excellent
Psychology
Passion
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Passion
Spiritual Protection
Rubellite Vs Sugilite Fracture
Fracture is an important parameter when you compare Rubellite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rubellite Vs Sugilite 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. Sugilite fracture is Conchoidal.
Rubellite Vs Sugilite Luster
A primary knowledge about Rubellite vs Sugilite 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, on other hand, exhibits Vitreous luster.