Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Canada, Russia
Color
Blue, Violet, Yellow, Grey
Brown, Yellow, Greenish, Brownish, Red
For which Rashi?
Libra, Sagittarius, Taurus
-
Element of Planets
Water
-
Specific Gravity
2.6-2.7
3.2-3.4
Cleavage
3,1
Perfect on [001] imperfect on [100]
Chemical Composition
Mg2Al4Si5O18
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Greasy, Pearly
Pleochroism
-
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.52-1.56
1.678-1.758
Crystal System
Orthorhombic
Triclinic
Birefringence
-9999
0.050
Clarity
Transparent to translucent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Excellent
Digestive
Supports digestive health
-
Psychology
Intuition
Self-Reflection
Healing
Emotional healing
Spiritual healing
Qualities Associated
Intuition
Self-Reflection
Iolite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Iolite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite Vs Astrophyllite 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. Astrophyllite fracture is Uneven.
Iolite Vs Astrophyllite Luster
A primary knowledge about Iolite vs Astrophyllite 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. Iolite exhibits Vitreous luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.