Apophyllite Vs Andalusite
Origin
India, Canada, Brazil
Spain, Brazil, USA, Sri Lanka, Burma, Origins: Spain, Burma. Discovered in Andalusia (Spain)
Color
Colorless, Reddish, White, pink, Green, Yellow, Violet, Blue, Brown
Brown, pink, Violet, Yellow, Green, White, gray, Colorless, Red
Specific Gravity
2.30-2.50
3.05-3.21
Fracture
Uneven
Uneven, Subconchoidal, Splintery
Cleavage
Perfect on (001)
Good on {110}, poor on {100}
Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Greasy
Pleochroism
Dichroic (colorless)
strongly trichroic
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.530-1.543
1.627-1.650
Optic Character
Uniaxial/-
-
Crystal System
tetragonal
Orthorhombic
Birefringence
0.000-0.003
0.009-0.010
Clarity
Transparent
Transparent
Neurological
Aids in mental clarity and intuition
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Psychology
Spiritual Connection
Perception
Healing
Emotional healing
Physical healing
Qualities Associated
Connection to Spiritual Guides
Self-Realization
Apophyllite Vs Andalusite Fracture
Fracture is an important parameter when you compare Apophyllite and Andalusite Physical Properties. It is necessary to understand the significance of these properties, before you compare Apophyllite Vs Andalusite 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 Apophyllite is Uneven. Andalusite fracture is Uneven, Subconchoidal and Splintery.
Apophyllite Vs Andalusite Luster
A primary knowledge about Apophyllite vs Andalusite 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. Apophyllite exhibits Vitreous and Pearly luster. Andalusite, on other hand, exhibits Vitreous and Greasy luster.