Origin
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Southern and central Africa
Color
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Blue, Colorless, White
For which Rashi?
-
Gemini, Virgo
Element of Planets
-
Earth
Specific Gravity
2.98-3.10
2.45-2.58
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
None
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
weak to none
-
Refractive Index
1.578-1.646
1.583-1.608
Optic Character
Biaxial/+
-
Crystal System
Triclinic
monoclinic
Birefringence
0.020-0.030
0.019
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Neurological
Enhances mental clarity and focus
Aids in mental clarity and focus
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Calming
Amblygonite Vs Howlite Fracture
Fracture is an important parameter when you compare Amblygonite and Howlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amblygonite Vs Howlite 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. Howlite fracture is Conchoidal.
Amblygonite Vs Howlite Luster
A primary knowledge about Amblygonite vs Howlite 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. Howlite, on other hand, exhibits Vitreous luster.