Benitoite Vs Astrophyllite
Origin
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Canada, Russia
Color
Violet, Blue, Colorless, pink, White
Brown, Yellow, Greenish, Brownish, Red
Streak
White
Brown, White
Solubility
Insoluble: HCl
-
Specific Gravity
3.61-3.68
3.2-3.4
Fracture
Conchoidal
Uneven
Cleavage
[10 1 1] poor
Perfect on [001] imperfect on [100]
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Greasy, Pearly
Pleochroism
O = colorless; E = purple
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Transparency
Transparent
Translucent
Refractive Index
1.757-1.804
1.678-1.758
Crystal System
Hexagonal
Triclinic
Birefringence
0.047
0.050
Clarity
Transparent
Translucent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Psychology
Transformation
Self-Reflection
Healing
Emotional healing
Spiritual healing
Qualities Associated
Transformation
Self-Reflection
Benitoite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Benitoite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Benitoite Vs Astrophyllite 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. Astrophyllite fracture is Uneven.
Benitoite Vs Astrophyllite Luster
A primary knowledge about Benitoite vs Astrophyllite 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. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.