Origin
Southern and central Africa
Brazil, Madagascar, Russia, USA, Mexico, Pakistan, Sri Lanka
Color
Brown, Green, gray, White
Yellow, Blue, Green, Red, White, Colorless, pink, Brown
For which Rashi?
-
Sagittarius
Specific Gravity
3.15-3.259
3.49-3.57
Fracture
-
Subconchoidal, Uneven, Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
[001] Perfect
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Al2SiO4(F,OH)2
Pleochroism
Weak to moderate
Weak
Transparency
Transparent
Transparent
Refractive Index
1.625-1.718
1.606-1.644
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Orthorhombic
Birefringence
-9999
0.008-0.011
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Digestive
-
Supports digestive health
Healing
-
Emotional healing
Qualities Associated
Protection
Energy
Gedrite Vs Topaz Fracture
Fracture is an important parameter when you compare Gedrite and Topaz Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Topaz 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. Topaz fracture is Subconchoidal, Uneven and Conchoidal.
Gedrite Vs Topaz Luster
A primary knowledge about Gedrite vs Topaz 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. Topaz, on other hand, exhibits Vitreous luster.