Iolite Vs Crocoite
Origin
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Australia, Southern and central Africa
Color
Blue, Violet, Yellow, Grey
Red, Yellow, orange
Streak
-
yellowish orange
For which Rashi?
Libra, Sagittarius, Taurus
-
Element of Planets
Water
-
Specific Gravity
2.6-2.7
5.90-6.10
Cleavage
3,1
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
7-7.5
2.5-3
Chemical Composition
Mg2Al4Si5O18
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
-
Distinctly trichroic
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.52-1.56
2.31-2.66
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
-9999
-9999
Clarity
Transparent to translucent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Excellent
Good
Digestive
Supports digestive health
-
Psychology
Intuition
Passion
Healing
Emotional healing
Physical healing
Qualities Associated
Intuition
Passion
Iolite Vs Crocoite Fracture
Fracture is an important parameter when you compare Iolite and Crocoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Iolite 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. Crocoite fracture is Conchoidal.
Iolite Vs Crocoite Luster
A primary knowledge about Iolite 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. Iolite exhibits Vitreous luster. Crocoite, on other hand, exhibits Adamantine luster.