Benitoite Vs Gedrite
Origin
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Southern and central Africa
Color
Violet, Blue, Colorless, pink, White
Brown, Green, gray, White
Solubility
Insoluble: HCl
-
Specific Gravity
3.61-3.68
3.15-3.259
Cleavage
[10 1 1] poor
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
BaTiSi 3O 9Michael 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)
Pleochroism
O = colorless; E = purple
Weak to moderate
Transparency
Transparent
Transparent
Refractive Index
1.757-1.804
1.625-1.718
Crystal System
Hexagonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.047
-9999
Clarity
Transparent
Transparent
Psychology
Transformation
Focus
Healing
Emotional healing
-
Qualities Associated
Transformation
Protection
Benitoite Vs Gedrite Fracture
Fracture is an important parameter when you compare Benitoite and Gedrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Benitoite 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. Fracture observed in Benitoite is Conchoidal.
Benitoite Vs Gedrite Luster
A primary knowledge about Benitoite 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. Benitoite exhibits Vitreous luster. Gedrite, on other hand, exhibits Vitreous luster.