Origin
Southern and central Africa, Vietnam
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Green, Black, Brown
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Specific Gravity
3.04-3.26
2.98-3.10
Fracture
Splintery, Uneven
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
{110} perfect
[100] Perfect, [110] Good, [011] Distinct
Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(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
Transparency
Transparent
-
Refractive Index
1.613-1.663
1.578-1.646
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Triclinic
Birefringence
0.020
0.020-0.030
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Respiratory
Excellent
Excellent
Reproductive
Supports reproductive health
Supports reproductive health
Healing
Emotional healing
Emotional healing
Qualities Associated
Healing
Peace
Pargasite Vs Amblygonite Fracture
Fracture is an important parameter when you compare Pargasite and Amblygonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pargasite 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 Pargasite is Splintery and Uneven. Amblygonite fracture is Sub-Conchoidal, Irregular/uneven, Uneven and Conchoidal.
Pargasite Vs Amblygonite Luster
A primary knowledge about Pargasite 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. Pargasite exhibits Vitreous luster. Amblygonite, on other hand, exhibits Vitreous and Pearly luster.