Gedrite Vs Cerussite
Origin
Southern and central Africa
Czech
Color
Brown, Green, gray, White
Brownish, Black, Colorless, White, gray, Blue, Green
Specific Gravity
3.15-3.259
6.46-6.57
Fracture
-
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Good [110] and [021]
Mohs Hardness
5.5-6
3-3.5
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine, Vitreous, Resinous
Pleochroism
Weak to moderate
-
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.625-1.718
1.803-2.078
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Orthorhombic
Birefringence
-9999
0.273
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Healing
-
Emotional healing
Qualities Associated
Protection
Clarity
Gedrite Vs Cerussite Fracture
Fracture is an important parameter when you compare Gedrite and Cerussite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Cerussite 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. Cerussite fracture is Uneven, ConchoidalWalter Schumann and Conchoidal.
Gedrite Vs Cerussite Luster
A primary knowledge about Gedrite vs Cerussite 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. Cerussite, on other hand, exhibits Adamantine, Vitreous and Resinous luster.