Spinel Vs Sugilite
Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Canada, Southern and central Africa, Italy, Australia, India
Color
Blue, Violet, Colorless, Red, Green, Brown
Violet, Brownish, Yellow, Reddish, Pale pink
For which Rashi?
Sagittarius, Scorpio
Virgo
Planet
Pluto
Mercury, Jupiter
Element of Planets
-
Water
Specific Gravity
3.64-3.66
2.69-2.79
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
None, but may exhibit slight parting
Poor on {0001}
Chemical Composition
MgAl2O4
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.73
1.607-1.612
Crystal System
Isometric
Hexagonal
Birefringence
-9999
0.003
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Neurological
-
Enhances mental clarity and focus
Respiratory
Good
Excellent
Psychology
Revitalization
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Spiritual Protection
Spinel Vs Sugilite Fracture
Fracture is an important parameter when you compare Spinel and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Spinel 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 Spinel is Conchoidal and Uneven. Sugilite fracture is Conchoidal.
Spinel Vs Sugilite Luster
A primary knowledge about Spinel 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. Spinel exhibits Vitreous luster. Sugilite, on other hand, exhibits Vitreous luster.