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