Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Canada, Russia
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Brown, Yellow, Greenish, Brownish, Red
For which Rashi?
Pisces, Taurus, Gemini, Libra
-
Element of Planets
Water
-
Specific Gravity
3.95-4.03
3.2-3.4
Cleavage
None, but may exhibit parting
Perfect on [001] imperfect on [100]
Chemical Composition
Al 2 O 3
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Adamantine
Greasy, Pearly
Pleochroism
Strong
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Transparency
Transparent, Translucent, Transparent to opaque
Translucent
Refractive Index
1.762-1.788
1.678-1.758
Crystal System
Trigonal
Triclinic
Birefringence
0.008-0.009
0.050
Clarity
Transparent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Psychology
Intuition
Self-Reflection
Healing
Emotional healing
Spiritual healing
Qualities Associated
Wisdom
Self-Reflection
Sapphire Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Sapphire and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sapphire 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. Fracture observed in Sapphire is Uneven. Astrophyllite fracture is Uneven.
Sapphire Vs Astrophyllite Luster
A primary knowledge about Sapphire 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. Sapphire exhibits Vitreous and Adamantine luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.