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