Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Blue, Violet, Yellow, Grey
Blue, Violet, Colorless, Red, Green, Brown
For which Rashi?
Libra, Sagittarius, Taurus
Sagittarius, Scorpio
Element of Planets
Water
-
Specific Gravity
2.6-2.7
3.64-3.66
Fracture
-
Conchoidal, Uneven
Cleavage
3,1
None, but may exhibit slight parting
Chemical Composition
Mg2Al4Si5O18
MgAl2O4
Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.52-1.56
1.73
Crystal System
Orthorhombic
Isometric
Birefringence
-9999
-9999
Clarity
Transparent to translucent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Good
Digestive
Supports digestive health
-
Psychology
Intuition
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Intuition
Vitality
Iolite Vs Spinel Fracture
Fracture is an important parameter when you compare Iolite and Spinel Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Spinel 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. Spinel fracture is Conchoidal and Uneven.
Iolite Vs Spinel Luster
A primary knowledge about Iolite vs Spinel 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. Spinel, on other hand, exhibits Vitreous luster.