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
Red, Reddish, Violet, Blue, Green, Colorless, pink
Specific Gravity
2.98-3.10
2.74-2.76
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
{010} Perfect, {001} Distinct
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
weak to none
Pale rose-red carmine-red colorlessAnthony et al
Transparency
-
Transparent
Refractive Index
1.578-1.646
1.692-1.739
Optic Character
Biaxial/+
-
Crystal System
Triclinic
-
Birefringence
0.020-0.030
0.240
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Reproductive
Supports reproductive health
-
Psychology
Peace
Heart opening
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Heart Healing
Amblygonite Vs Phosphosiderite Fracture
Fracture is an important parameter when you compare Amblygonite and Phosphosiderite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Phosphosiderite 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. Phosphosiderite fracture is Uneven.
Amblygonite Vs Phosphosiderite Luster
A primary knowledge about Amblygonite vs Phosphosiderite 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. Phosphosiderite, on other hand, exhibits Vitreous luster.