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