Purpurite Vs Astrophyllite
Origin
Southern and central Africa
Canada, Russia
Color
Violet, Brownish, Black, pink, Red, Reddish
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
Streak
Red
Brown, White, Brown, White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.2-3.4
3.2-3.4
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Uneven, Brittle, Metallic
Cleavage
[100] [001] perfect
Perfect on [001] imperfect on [100]
Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Not Available
Greasy, Pearly
Pleochroism
StrongArthur Thomas
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Dispersion
Not Available
Not Available
Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
Translucent
Refractive Index
1.85-1.92
1.678-1.758
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Triclinic
Birefringence
0.070
0.050
Clarity
TranslucentWalter Schumann
Translucent
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
Purpurite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Purpurite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Purpurite 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 Purpurite is Brittle, Gemstones (2009), Uneven and UnevenArthur Thomas. Astrophyllite fracture is Brittle, Metallic and Uneven.
Purpurite Vs Astrophyllite Luster
A primary knowledge about Purpurite 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. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.