Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Southern and central Africa
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Red, Brown, Black
Streak
White
Brownish, Red
Specific Gravity
2.98-3.10
5.85-6.15
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Fair in four directions forming octahedrons
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Adamantine
Pleochroism
weak to none
visible
Transparency
-
TranslucentWalter Schumann
Refractive Index
1.578-1.646
2.849
Optic Character
Biaxial/+
-
Crystal System
Triclinic
cubic
Birefringence
0.020-0.030
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentWalter Schumann
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Poor
Reproductive
Supports reproductive health
-
Psychology
Peace
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Vitality
Amblygonite Vs Cuprite Fracture
Fracture is an important parameter when you compare Amblygonite and Cuprite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Cuprite 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 Amblygonite is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal. Cuprite fracture is Conchoidal.
Amblygonite Vs Cuprite Luster
A primary knowledge about Amblygonite vs Cuprite 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. Amblygonite exhibits Vitreous and Pearly luster. Cuprite, on other hand, exhibits Adamantine luster.