Crocoite Vs Anthophyllite
Origin
Australia, Southern and central Africa
Southern and central Africa
Color
Red, Yellow, orange
Brown, White, Greenish, gray, Green, Brownish
Streak
yellowish orange
gray
Specific Gravity
5.90-6.10
2.9-3.5
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
{110} Perfect, {???} Distinct, {???} Distinct
Mohs Hardness
2.5-3
5.5-6
Chemical Composition
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Adamantine
Vitreous, Pearly
Pleochroism
Distinctly trichroic
-
Transparency
Transparent
Transparent
Refractive Index
2.31-2.66
1.603-1.690
Optic Character
-
Biaxial/+
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
-9999
-9999
Clarity
Transparent
Transparent
Neurological
-
Enhances brain function
Cardiovascular
Supports heart health
Supports heart health
Healing
Physical healing
Emotional healing
Qualities Associated
Passion
Self-discovery
Crocoite Vs Anthophyllite Fracture
Fracture is an important parameter when you compare Crocoite and Anthophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Crocoite Vs Anthophyllite 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. Anthophyllite fracture is Conchoidal.
Crocoite Vs Anthophyllite Luster
A primary knowledge about Crocoite vs Anthophyllite 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. Anthophyllite, on other hand, exhibits Vitreous and Pearly luster.