Crocoite Vs Anhydrite
Origin
Australia, Southern and central Africa
Mexico
Color
Red, Yellow, orange
Colorless, Blue, Violet, White, Brown, rose, gray
Streak
yellowish orange
White
Specific Gravity
5.90-6.10
2.90-2.98
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Chemical Composition
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Adamantine
Pearly, Greasy
Pleochroism
Distinctly trichroic
For violet varieties
Transparency
Transparent
Transparent
Refractive Index
2.31-2.66
1.570-1.614
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Orthorhombic
Birefringence
-9999
0.042-0.044
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Psychology
Passion
Calmness
Healing
Physical healing
Emotional healing
Qualities Associated
Passion
Acceptance
Crocoite Vs Anhydrite Fracture
Fracture is an important parameter when you compare Crocoite and Anhydrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Crocoite Vs Anhydrite 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 Crocoite is Conchoidal. Anhydrite fracture is Conchoidal.
Crocoite Vs Anhydrite Luster
A primary knowledge about Crocoite vs Anhydrite 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. Crocoite exhibits Adamantine luster. Anhydrite, on other hand, exhibits Pearly and Greasy luster.