Gedrite Vs Hureaulite
Origin
Southern and central Africa
USA, Southern and central Africa
Color
Brown, Green, gray, White
Violet, Red, White, Reddish
Specific Gravity
3.15-3.259
3.19
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
{???} Distinct
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Weak to moderate
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
Transparency
Transparent
Transparent
Refractive Index
1.625-1.718
1.647-1.667
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
-9999
0.012
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Psychology
Focus
Compassion
Healing
-
Emotional healing
Qualities Associated
Protection
Emotional Healing
Gedrite Vs Hureaulite Fracture
Fracture is an important parameter when you compare Gedrite and Hureaulite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Hureaulite 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. Hureaulite fracture is Uneven.
Gedrite Vs Hureaulite Luster
A primary knowledge about Gedrite vs Hureaulite 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. Hureaulite, on other hand, exhibits Vitreous and Greasy luster.