Ludlamite Vs Dumortierite
Origin
USA
Southern and central Africa
Color
Green, Colorless, Greenish, White
Blue, Violet, Brown, White, Greenish, pink
Streak
Greenish, White
White
For which Rashi?
-
Leo, Sagittarius
Element of Planets
-
Water
Specific Gravity
3.1-3.2
3.26-3.41
Fracture
-
Fibrous, ConchoidalWalter Schumann
Cleavage
Vitreous, pearly on cleavage
Distinct on {100}, poor on {110}; parting on {001}
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Transparency
-
Translucent, Translucent to opaque
Refractive Index
1.653-1.693
1.669-1.723
Crystal System
monoclinic
Orthorhombic
Birefringence
0.038-0.044
0.011-0.037
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Digestive
Supports digestive health
-
Psychology
Harmony
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Patience
Ludlamite Vs Dumortierite Fracture
Fracture is an important parameter when you compare Ludlamite and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ludlamite Vs Dumortierite 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. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.
Ludlamite Vs Dumortierite Luster
A primary knowledge about Ludlamite vs Dumortierite 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. Ludlamite exhibits Vitreous and Pearly luster. Dumortierite, on other hand, exhibits Vitreous luster.