Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Canada, Southern and central Africa, Italy, Australia, India
Color
Blue, Violet, Yellow, Grey
Violet, Brownish, Yellow, Reddish, Pale pink
For which Rashi?
Libra, Sagittarius, Taurus
Virgo
Planet
Jupiter
Mercury, Jupiter
Element of Planets
Water
Water
Specific Gravity
2.6-2.7
2.69-2.79
Cleavage
3,1
Poor on {0001}
Mohs Hardness
7-7.5
5.5-6.5
Chemical Composition
Mg2Al4Si5O18
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
1.52-1.56
1.607-1.612
Crystal System
Orthorhombic
Hexagonal
Birefringence
-9999
0.003
Clarity
Transparent to translucent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Excellent
Digestive
Supports digestive health
-
Psychology
Intuition
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition
Spiritual Protection
Iolite Vs Sugilite Fracture
Fracture is an important parameter when you compare Iolite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite 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. Sugilite fracture is Conchoidal.
Iolite Vs Sugilite Luster
A primary knowledge about Iolite 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. Iolite exhibits Vitreous luster. Sugilite, on other hand, exhibits Vitreous luster.