Zoisite Vs Euclase
Origin
Pakistan, Tanzania
Brazil, Colombia, Southern and central Africa
Color
Brown, gray, Green, Blue, rose, Red
Greenish, Blue, Colorless, White, Green
Streak
White, Colorless
White
Specific Gravity
3.20-3.50
3.08-3.12
Fracture
Uneven, Conchoidal, Even
ConchoidalWalter Schumann
Cleavage
Perfect {010} imperfect {100}
{010} Perfect
Chemical Composition
Ca2Al3(SiO4)3(OH)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Weak: colorless-(greenish) yellow
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
-
Refractive Index
1.685-1.707
1.650-1.677
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.006-0.018
0.019-0.025
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Psychology
Transformation
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Communication
Zoisite Vs Euclase Fracture
Fracture is an important parameter when you compare Zoisite and Euclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Zoisite Vs Euclase 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 Zoisite is Uneven, Conchoidal and Even. Euclase fracture is ConchoidalWalter Schumann.
Zoisite Vs Euclase Luster
A primary knowledge about Zoisite vs Euclase 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. Zoisite exhibits Vitreous luster. Euclase, on other hand, exhibits Vitreous luster.