Anthophyllite Vs Benitoite
Origin
Southern and central Africa
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Brown, White, Greenish, gray, Green, Brownish
Violet, Blue, Colorless, pink, White
Solubility
-
Insoluble: HCl
Specific Gravity
2.9-3.5
3.61-3.68
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
[10 1 1] poor
Mohs Hardness
5.5-6
6-6.5
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
O = colorless; E = purple
Transparency
Transparent
Transparent
Refractive Index
1.603-1.690
1.757-1.804
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Hexagonal
Birefringence
-9999
0.047
Clarity
Transparent
Transparent
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
-
Psychology
Peace
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Transformation
Anthophyllite Vs Benitoite Fracture
Fracture is an important parameter when you compare Anthophyllite and Benitoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anthophyllite Vs Benitoite 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 Anthophyllite is Conchoidal. Benitoite fracture is Conchoidal.
Anthophyllite Vs Benitoite Luster
A primary knowledge about Anthophyllite vs Benitoite 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. Anthophyllite exhibits Vitreous and Pearly luster. Benitoite, on other hand, exhibits Vitreous luster.