Origin
Switzerland, Australia, Brazil
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Color
Yellow, Colorless, White, Brownish, Reddish
Violet, White, gray, Brown, pink, Yellow
Specific Gravity
5.9-6.3
2.58-2.74
Fracture
Conchoidal, Uneven
ConchoidalWalter Schumann, Splintery
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
{100} Distinct, {110} Distinct
Mohs Hardness
4.5-5
5.5-6
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Adamantine
-
Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
-
Transparency
Translucent, Transparent
-
Refractive Index
1.918-1.936
1.540-1.579
Crystal System
tetragonal
tetragonal
Birefringence
0.016
0.006-0.037
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Psychology
Awareness
Creativity
Healing
Physical healing
Emotional healing
Qualities Associated
Balance & Clarity
Problem Solving & Creativity
Scheelite Vs Scapolite Fracture
Fracture is an important parameter when you compare Scheelite and Scapolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Scheelite Vs Scapolite 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. Scapolite fracture is ConchoidalWalter Schumann and Splintery.
Scheelite Vs Scapolite Luster
A primary knowledge about Scheelite vs Scapolite 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.