Ludlamite Vs Zoisite
Origin
USA
Pakistan, Tanzania
Color
Green, Colorless, Greenish, White
Brown, gray, Green, Blue, rose, Red
Streak
Greenish, White
White, Colorless
Specific Gravity
3.1-3.2
3.20-3.50
Fracture
-
Uneven, Conchoidal, Even
Cleavage
Vitreous, pearly on cleavage
Perfect {010} imperfect {100}
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
-
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Transparency
-
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.653-1.693
1.685-1.707
Crystal System
monoclinic
Orthorhombic
Birefringence
0.038-0.044
0.006-0.018
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Aids in mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
Supports digestive health
-
Psychology
Harmony
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
-
Ludlamite Vs Zoisite Fracture
Fracture is an important parameter when you compare Ludlamite and Zoisite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ludlamite Vs Zoisite 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. Zoisite fracture is Uneven, Conchoidal and Even.
Ludlamite Vs Zoisite Luster
A primary knowledge about Ludlamite vs Zoisite 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. Zoisite, on other hand, exhibits Vitreous luster.