Ludlamite Vs Gedrite
Origin
USA
Southern and central Africa
Color
Green, Colorless, Greenish, White
Brown, Green, gray, White
Streak
Greenish, White
gray, White
Specific Gravity
3.1-3.2
3.15-3.259
Cleavage
Vitreous, pearly on cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
Weak to moderate
Transparency
-
Transparent
Refractive Index
1.653-1.693
1.625-1.718
Crystal System
monoclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.038-0.044
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Aids in mental clarity and focus
-
Digestive
Supports digestive health
-
Healing
Emotional healing
-
Qualities Associated
Emotional Healing
Protection
Ludlamite Vs Gedrite Fracture
Fracture is an important parameter when you compare Ludlamite and Gedrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ludlamite 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.
Ludlamite Vs Gedrite Luster
A primary knowledge about Ludlamite 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. Ludlamite exhibits Vitreous and Pearly luster. Gedrite, on other hand, exhibits Vitreous luster.