Bastnasite Vs Zoisite
Origin
Turkey, Russia, Canada
Pakistan, Tanzania
Color
Reddish, Brown
Brown, gray, Green, Blue, rose, Red
Streak
White
White, Colorless
Specific Gravity
4.95-5.0
3.20-3.50
Fracture
Uneven
Uneven, Conchoidal, Even
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
Perfect {010} imperfect {100}
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)3(OH)
Luster
Vitreous, Greasy, Pearly
Vitreous
Pleochroism
Faint
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
1.717-1.722
1.685-1.707
Crystal System
Hexagonal
Orthorhombic
Birefringence
0.100
0.006-0.018
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Psychology
Creativity
Transformation
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
-
Bastnasite Vs Zoisite Fracture
Fracture is an important parameter when you compare Bastnasite and Zoisite Physical Properties. It is necessary to understand the significance of these properties, before you compare Bastnasite 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. Fracture observed in Bastnasite is Uneven. Zoisite fracture is Uneven, Conchoidal and Even.
Bastnasite Vs Zoisite Luster
A primary knowledge about Bastnasite 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. Bastnasite exhibits Vitreous, Greasy and Pearly luster. Zoisite, on other hand, exhibits Vitreous luster.