Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Brazil, Southern and central Africa, Sri Lanka
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Red, gray
Solubility
-
Insoluble in acids
Specific Gravity
2.98-3.10
4.20-4.30
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
{110} good, 100 moderate, parting on {092} and {011}
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Adamantine
Pleochroism
weak to none
Weak to distinct brownish red-green-yellow
Transparency
-
Transparent, Translucent
Refractive Index
1.578-1.646
2.609-2.903
Optic Character
Biaxial/+
-
Crystal System
Triclinic
tetragonal
Birefringence
0.020-0.030
0.296
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Physical healing
Qualities Associated
Peace
Awareness
Amblygonite Vs Rutile Fracture
Fracture is an important parameter when you compare Amblygonite and Rutile Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Rutile 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. Rutile fracture is Uneven and Conchoidal.
Amblygonite Vs Rutile Luster
A primary knowledge about Amblygonite vs Rutile 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. Rutile, on other hand, exhibits Adamantine luster.