Gedrite Vs Omphacite
Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Green, gray, White
Green
Streak
gray, White
Greenish, White
Specific Gravity
3.15-3.259
3.16-3.43
Fracture
-
Uneven, Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{110} Good, {110} Good
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Pleochroism
Weak to moderate
Weak: colorless -- very pale green -- very pale green
Transparency
Transparent
TranslucentAnthony et al
Refractive Index
1.625-1.718
1.662-1.723
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-
Birefringence
-9999
-9999
Clarity
Transparent
TranslucentAnthony et al
Neurological
-
Enhances mental clarity and focus
Psychology
Focus
Empowerment
Healing
-
Physical healing
Qualities Associated
Protection
Transformation
Gedrite Vs Omphacite Fracture
Fracture is an important parameter when you compare Gedrite and Omphacite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Omphacite 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. Omphacite fracture is Uneven and Conchoidal.
Gedrite Vs Omphacite Luster
A primary knowledge about Gedrite vs Omphacite 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. Omphacite, on other hand, exhibits Vitreous luster.