Origin
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Canada, Russia
Color
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Brown, Yellow, Greenish, Brownish, Red
Streak
White
Brown, White
Specific Gravity
3.26-3.36
3.2-3.4
Fracture
Conchoidal
Uneven
Cleavage
Good on {100}
Perfect on [001] imperfect on [100]
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) 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
Strong
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Transparency
-
Translucent
Refractive Index
1.656-1.704
1.678-1.758
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Triclinic
Birefringence
0.009-0.012
0.050
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Psychology
Harmony
Self-Reflection
Healing
Emotional healing
Spiritual healing
Qualities Associated
Balance
Self-Reflection
Axinite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Axinite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Axinite 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 Axinite is Conchoidal. Astrophyllite fracture is Uneven.
Axinite Vs Astrophyllite Luster
A primary knowledge about Axinite 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. Axinite exhibits Vitreous luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.