Scheelite Vs Astrophyllite
Origin
Switzerland, Australia, Brazil
Canada, Russia
Color
Yellow, Colorless, White, Brownish, Reddish
Brown, Yellow, Greenish, Brownish, Red
Streak
White
Brown, White
Specific Gravity
5.9-6.3
3.2-3.4
Fracture
Conchoidal, Uneven
Uneven
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Perfect on [001] imperfect on [100]
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Adamantine
Greasy, Pearly
Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Transparency
Translucent, Transparent
Translucent
Refractive Index
1.918-1.936
1.678-1.758
Crystal System
tetragonal
Triclinic
Birefringence
0.016
0.050
Clarity
Translucent
Translucent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Awareness
Self-Reflection
Healing
Physical healing
Spiritual healing
Qualities Associated
Balance & Clarity
Self-Reflection
Scheelite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Scheelite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Scheelite 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 Scheelite is Conchoidal and Uneven. Astrophyllite fracture is Uneven.
Scheelite Vs Astrophyllite Luster
A primary knowledge about Scheelite 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. Scheelite exhibits Vitreous and Adamantine luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.