Scheelite Vs Ludlamite
Origin
Switzerland, Australia, Brazil
USA
Color
Yellow, Colorless, White, Brownish, Reddish
Green, Colorless, Greenish, White
Streak
White
Greenish, White
Specific Gravity
5.9-6.3
3.1-3.2
Fracture
Conchoidal, Uneven
-
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Vitreous, pearly on cleavage
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Adamantine
Vitreous, Pearly
Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
-
Transparency
Translucent, Transparent
-
Refractive Index
1.918-1.936
1.653-1.693
Crystal System
tetragonal
monoclinic
Birefringence
0.016
0.038-0.044
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Aids in mental clarity and focus
Digestive
-
Supports digestive health
Psychology
Awareness
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Balance & Clarity
Emotional Healing
Scheelite Vs Ludlamite Fracture
Fracture is an important parameter when you compare Scheelite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Scheelite Vs Ludlamite 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.
Scheelite Vs Ludlamite Luster
A primary knowledge about Scheelite vs Ludlamite 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. Ludlamite, on other hand, exhibits Vitreous and Pearly luster.