Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Southern and central Africa
Color
Blue, Violet, Yellow, Grey
Brown, Green, gray, White
For which Rashi?
Libra, Sagittarius, Taurus
-
Element of Planets
Water
-
Specific Gravity
2.6-2.7
3.15-3.259
Cleavage
3,1
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
7-7.5
5.5-6
Chemical Composition
Mg2Al4Si5O18
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pleochroism
-
Weak to moderate
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.52-1.56
1.625-1.718
Crystal System
Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
-9999
-9999
Clarity
Transparent to translucent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Digestive
Supports digestive health
-
Psychology
Intuition
Focus
Healing
Emotional healing
-
Qualities Associated
Intuition
Protection
Iolite Vs Gedrite Fracture
Fracture is an important parameter when you compare Iolite and Gedrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Gedrite 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.
Iolite Vs Gedrite Luster
A primary knowledge about Iolite vs Gedrite 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. Gedrite, on other hand, exhibits Vitreous luster.