Origin
Southern and central Africa
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Brown, Green, gray, White
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Specific Gravity
3.15-3.259
3.26-3.36
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Good on {100}
Mohs Hardness
5.5-6
6.5-7
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Pleochroism
Weak to moderate
Strong
Transparency
Transparent
-
Refractive Index
1.625-1.718
1.656-1.704
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Triclinic
Birefringence
-9999
0.009-0.012
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Healing
-
Emotional healing
Qualities Associated
Protection
Balance
Gedrite Vs Axinite Fracture
Fracture is an important parameter when you compare Gedrite and Axinite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Axinite 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. Axinite fracture is Conchoidal.
Gedrite Vs Axinite Luster
A primary knowledge about Gedrite vs Axinite 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. Axinite, on other hand, exhibits Vitreous luster.