Crocoite Vs Augite
Origin
Australia, Southern and central Africa
USA, Mexico
Color
Red, Yellow, orange
Green, Brown, Greenish, Black
Streak
yellowish orange
Greenish, gray
Specific Gravity
5.90-6.10
3.19-3.56
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{110} Distinct, {001} Indistinct, {100} Indistinct
{110} Perfect, {010} Indistinct
Mohs Hardness
2.5-3
5.5-6
Chemical Composition
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Adamantine
Vitreous, Resinous
Pleochroism
Distinctly trichroic
Pale green
Transparency
Transparent
Transparent, Translucent
Refractive Index
2.31-2.66
1.671-1.774
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
-9999
-9999
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Psychology
Passion
Courage
Healing
Physical healing
Emotional healing
Qualities Associated
Passion
Grounding
Crocoite Vs Augite Fracture
Fracture is an important parameter when you compare Crocoite and Augite Physical Properties. It is necessary to understand the significance of these properties, before you compare Crocoite Vs Augite 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. Augite fracture is Uneven and Conchoidal.
Crocoite Vs Augite Luster
A primary knowledge about Crocoite vs Augite 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. Augite, on other hand, exhibits Vitreous and Resinous luster.