Origin
Sri Lanka
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Blue
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
For which Rashi?
Sagittarius, Scorpio
-
Specific Gravity
3.65-4.55
2.98-3.10
Fracture
Conchoidal
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
None, but may exhibit slight parting
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
-
weak to none
Refractive Index
1.735-1.790
1.578-1.646
Optic Character
-
Biaxial/+
Crystal System
Isometric
Triclinic
Birefringence
-9999
0.020-0.030
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Reproductive
-
Supports reproductive health
Psychology
Empowerment
Peace
Healing
-
Emotional healing
Qualities Associated
Transformation
Peace
Gahnospinel Vs Amblygonite Fracture
Fracture is an important parameter when you compare Gahnospinel and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gahnospinel 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 Gahnospinel is Conchoidal. Amblygonite fracture is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal.
Gahnospinel Vs Amblygonite Luster
A primary knowledge about Gahnospinel 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. Gahnospinel exhibits Vitreous luster. Amblygonite, on other hand, exhibits Vitreous and Pearly luster.