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