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