Astrophyllite Vs Augite
Origin
Canada, Russia
USA, Mexico
Color
Brown, Yellow, Greenish, Brownish, Red
Green, Brown, Greenish, Black
Streak
Brown, White
Greenish, gray
Specific Gravity
3.2-3.4
3.19-3.56
Fracture
Uneven
Uneven, Conchoidal
Cleavage
Perfect on [001] imperfect on [100]
{110} Perfect, {010} Indistinct
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Greasy, Pearly
Vitreous, Resinous
Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Pale green
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.678-1.758
1.671-1.774
Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
0.050
-9999
Clarity
Translucent
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Good
Psychology
Self-Reflection
Courage
Healing
Spiritual healing
Emotional healing
Qualities Associated
Self-Reflection
Grounding
Astrophyllite Vs Augite Fracture
Fracture is an important parameter when you compare Astrophyllite and Augite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Augite 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 Astrophyllite is Uneven. Augite fracture is Uneven and Conchoidal.
Astrophyllite Vs Augite Luster
A primary knowledge about Astrophyllite vs Augite 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. Astrophyllite exhibits Greasy and Pearly luster. Augite, on other hand, exhibits Vitreous and Resinous luster.