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