Gedrite Vs Phosphophyllite
Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Green, gray, White
Colorless, Blue, Green
Specific Gravity
3.15-3.259
3.07-3.13
Fracture
-
Conchoidal, Uneven
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{100} Perfect, {010} Distinct, {102} Distinct
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)
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Weak to moderate
-
Transparency
Transparent
-
Refractive Index
1.625-1.718
1.595-1.621
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-
Birefringence
-9999
0.021
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Psychology
Focus
Emotional healing
Healing
-
Emotional healing
Qualities Associated
Protection
Emotional Healing
Gedrite Vs Phosphophyllite Fracture
Fracture is an important parameter when you compare Gedrite and Phosphophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Phosphophyllite 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. Phosphophyllite fracture is Conchoidal and Uneven.
Gedrite Vs Phosphophyllite Luster
A primary knowledge about Gedrite vs Phosphophyllite 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.