Origin
Canada, Russia
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Brown, Yellow, Greenish, Brownish, Red
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Streak
Brown, White
White
Specific Gravity
3.2-3.4
2.98-3.10
Fracture
Uneven
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Perfect on [001] imperfect on [100]
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Greasy, Pearly
Vitreous, Pearly
Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
weak to none
Transparency
Translucent
-
Refractive Index
1.678-1.758
1.578-1.646
Optic Character
-
Biaxial/+
Crystal System
Triclinic
Triclinic
Birefringence
0.050
0.020-0.030
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Excellent
Reproductive
-
Supports reproductive health
Psychology
Self-Reflection
Peace
Healing
Spiritual healing
Emotional healing
Qualities Associated
Self-Reflection
Peace
Astrophyllite Vs Amblygonite Fracture
Fracture is an important parameter when you compare Astrophyllite and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Amblygonite 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. Amblygonite fracture is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal.
Astrophyllite Vs Amblygonite Luster
A primary knowledge about Astrophyllite vs Amblygonite 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. Amblygonite, on other hand, exhibits Vitreous and Pearly luster.