Origin
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia
Color
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Green
For which Rashi?
-
Scorpio
Element of Planets
-
Earth
Specific Gravity
3.05-3.21
3.69-3.81
Fracture
Uneven, Subconchoidal, Splintery
-
Cleavage
Good on {110}, poor on {100}
1,1 ; 3,2.
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
BeAl 2 O 4
Luster
Vitreous, Greasy
Vitreous
Pleochroism
strongly trichroic
-
Transparency
Transparent, Translucent
Transparent, Transparent to nearly opaque
Refractive Index
1.627-1.650
1.739-1.770
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.009-0.010
0.007-0.010
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Aids in grounding and protection
Respiratory
Excellent
Excellent
Reproductive
-
Supports reproductive health
Psychology
Perception
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Self-Realization
Transformation
Andalusite Vs Alexandrite Fracture
Fracture is an important parameter when you compare Andalusite and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Andalusite Vs Alexandrite 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.
Andalusite Vs Alexandrite Luster
A primary knowledge about Andalusite vs Alexandrite 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. Alexandrite, on other hand, exhibits Vitreous luster.