Origin
Canada, Russia
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Color
Brown, Yellow, Greenish, Brownish, Red
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Streak
Brown, White
White
For which Rashi?
-
Pisces, Scorpio, Sagittarius
Element of Planets
-
Water
Solubility
-
insoluble in common solvents
Specific Gravity
3.2-3.4
2.65
Fracture
Uneven
Conchoidal, ConchoidalWalter Schumann
Cleavage
Perfect on [001] imperfect on [100]
Indiscernible
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
SiO2
Luster
Greasy, Pearly
Vitreous
Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
None
Transparency
Translucent
Transparent, Transparent to translucent
Refractive Index
1.678-1.758
1.544-1.553
Crystal System
Triclinic
Trigonal
Birefringence
0.050
0.009
Clarity
Translucent
Transparent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Good
Reproductive
-
Supports reproductive health
Digestive
-
Supports digestive health
Psychology
Self-Reflection
Calming
Healing
Spiritual healing
Emotional healing
Qualities Associated
Self-Reflection
Spirituality
Astrophyllite Vs Amethyst Fracture
Fracture is an important parameter when you compare Astrophyllite and Amethyst Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Amethyst 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 Astrophyllite is Uneven. Amethyst fracture is Conchoidal and ConchoidalWalter Schumann.
Astrophyllite Vs Amethyst Luster
A primary knowledge about Astrophyllite vs Amethyst 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. Astrophyllite exhibits Greasy and Pearly luster. Amethyst, on other hand, exhibits Vitreous luster.