Zoisite Vs Crocoite
Origin
Pakistan, Tanzania
Australia, Southern and central Africa
Color
Brown, gray, Green, Blue, rose, Red
Red, Yellow, orange
Streak
White, Colorless
yellowish orange
Specific Gravity
3.20-3.50
5.90-6.10
Fracture
Uneven, Conchoidal, Even
Conchoidal
Cleavage
Perfect {010} imperfect {100}
{110} Distinct, {001} Indistinct, {100} Indistinct
Chemical Composition
Ca2Al3(SiO4)3(OH)
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Distinctly trichroic
Transparency
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Transparent
Refractive Index
1.685-1.707
2.31-2.66
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
0.006-0.018
-9999
Clarity
Transparent
Transparent
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Good
Reproductive
Supports reproductive health
-
Psychology
Transformation
Passion
Healing
Emotional healing
Physical healing
Qualities Associated
-
Passion
Zoisite Vs Crocoite Fracture
Fracture is an important parameter when you compare Zoisite and Crocoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Zoisite Vs Crocoite 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. Crocoite fracture is Conchoidal.
Zoisite Vs Crocoite Luster
A primary knowledge about Zoisite vs Crocoite 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. Crocoite, on other hand, exhibits Adamantine luster.