Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Australia, Southern and central Africa
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Red, Yellow, orange
Streak
White
yellowish orange
Specific Gravity
2.98-3.10
5.90-6.10
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
{110} Distinct, {001} Indistinct, {100} Indistinct
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Adamantine
Pleochroism
weak to none
Distinctly trichroic
Transparency
-
Transparent
Refractive Index
1.578-1.646
2.31-2.66
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
0.020-0.030
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Physical healing
Qualities Associated
Peace
Passion
Amblygonite Vs Crocoite Fracture
Fracture is an important parameter when you compare Amblygonite and Crocoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Crocoite 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. Crocoite fracture is Conchoidal.
Amblygonite Vs Crocoite Luster
A primary knowledge about Amblygonite vs Crocoite 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. Crocoite, on other hand, exhibits Adamantine luster.