Origin
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
Brazil
Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Yellow
Streak
White
Greenish, Black, Brownish
Solubility
-
insoluble in water
Specific Gravity
3.05-3.21
5.00-5.20
Fracture
Uneven, Subconchoidal, Splintery
Uneven, Conchoidal, ConchoidalWalter Schumann
Cleavage
Good on {110}, poor on {100}
Indistinct on {001}; partings on {011} and {111}
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
-
Pleochroism
strongly trichroic
-
Transparency
Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.627-1.650
-9999
Crystal System
Orthorhombic
Isometric
Birefringence
0.009-0.010
-9999
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Good
Psychology
Perception
Abundance
Healing
Physical healing
Physical healing
Qualities Associated
Self-Realization
Abundance
Andalusite Vs Pyrite Fracture
Fracture is an important parameter when you compare Andalusite and Pyrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Pyrite 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 Andalusite is Uneven, Subconchoidal and Splintery. Pyrite fracture is Uneven, Conchoidal and ConchoidalWalter Schumann.
Andalusite Vs Pyrite Luster
A primary knowledge about Andalusite vs Pyrite 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. Andalusite exhibits Vitreous and Greasy luster.