Opal Vs Sugilite
Origin
Ethiopia
Canada, Southern and central Africa, Italy, Australia, India
Color
Yellow, White, Red, Brown, Blue
Violet, Brownish, Yellow, Reddish, Pale pink
For which Rashi?
Cancer, Libra, Scorpio
Virgo
Planet
Mercury
Mercury, Jupiter
Element of Planets
Earth, Air, Water
Water
Powers
Astral Projection, Psychicism
-
Tenacity
BrittleWalter Schumann
-
Solubility
hot salt water
-
Specific Gravity
1.98-2.25
2.69-2.79
Fracture
Conchoidal
Conchoidal
Cleavage
None
Poor on {0001}
Mohs Hardness
5-6.5
5.5-6.5
Chemical Composition
SiO2 · nH2O
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.37-1.52
1.607-1.612
Crystal System
Trigonal
Hexagonal
Birefringence
-9999
0.003
Clarity
Transparent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Psychology
Creativity
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Spiritual Protection
Opal Vs Sugilite Fracture
Fracture is an important parameter when you compare Opal and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Opal 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 Opal is Conchoidal. Sugilite fracture is Conchoidal.
Opal Vs Sugilite Luster
A primary knowledge about Opal 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. Opal exhibits Vitreous and Pearly luster. Sugilite, on other hand, exhibits Vitreous luster.