Gedrite Vs Zoisite
Origin
Southern and central Africa
Pakistan, Tanzania
Color
Brown, Green, gray, White
Brown, gray, Green, Blue, rose, Red
Streak
gray, White
White, Colorless
Specific Gravity
3.15-3.259
3.20-3.50
Fracture
-
Uneven, Conchoidal, Even
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Perfect {010} imperfect {100}
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Ca2Al3(SiO4)3(OH)
Pleochroism
Weak to moderate
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Transparency
Transparent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.625-1.718
1.685-1.707
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Orthorhombic
Birefringence
-9999
0.006-0.018
Clarity
Transparent
Transparent
Cardiovascular
-
Supports heart health
Reproductive
-
Supports reproductive health
Psychology
Focus
Transformation
Healing
-
Emotional healing
Qualities Associated
Protection
-
Gedrite Vs Zoisite Fracture
Fracture is an important parameter when you compare Gedrite and Zoisite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Zoisite 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. Zoisite fracture is Uneven, Conchoidal and Even.
Gedrite Vs Zoisite Luster
A primary knowledge about Gedrite vs Zoisite 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. Zoisite, on other hand, exhibits Vitreous luster.