Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
USA
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Yellow, Red, Green, Colorless, orange
Streak
White
Yellow, yellowish orange
Specific Gravity
2.98-3.10
5.50-5.90
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
On {10 1 0}, perfect; parting on {000 1 }
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Subadamantine, Resinous
Pleochroism
weak to none
Very weak
Transparency
-
TransparentRobert C. Kammerling
Refractive Index
1.578-1.646
2.013-2.029
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Hexagonal
Birefringence
0.020-0.030
0.016
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentRobert C. Kammerling
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Healing
Emotional healing
-
Qualities Associated
Peace
-
Amblygonite Vs Zincite Fracture
Fracture is an important parameter when you compare Amblygonite and Zincite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Zincite 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. Zincite fracture is Conchoidal.
Amblygonite Vs Zincite Luster
A primary knowledge about Amblygonite vs Zincite 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. Zincite, on other hand, exhibits Subadamantine and Resinous luster.