Dumortierite Vs Crocoite
Origin
Southern and central Africa
Australia, Southern and central Africa
Color
Blue, Violet, Brown, White, Greenish, pink
Red, Yellow, orange
Streak
White
yellowish orange
For which Rashi?
Leo, Sagittarius
-
Element of Planets
Water
-
Specific Gravity
3.26-3.41
5.90-6.10
Fracture
Fibrous, ConchoidalWalter Schumann
Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
7-8.5
2.5-3
Chemical Composition
AlAl6O3BSi3O18
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Distinctly trichroic
Transparency
Translucent, Translucent to opaque
Transparent
Refractive Index
1.669-1.723
2.31-2.66
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
0.011-0.037
-9999
Clarity
Translucent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Psychology
Patience
Passion
Healing
Emotional healing
Physical healing
Qualities Associated
Patience
Passion
Dumortierite Vs Crocoite Fracture
Fracture is an important parameter when you compare Dumortierite and Crocoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite 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 Dumortierite is Fibrous and ConchoidalWalter Schumann. Crocoite fracture is Conchoidal.
Dumortierite Vs Crocoite Luster
A primary knowledge about Dumortierite 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. Dumortierite exhibits Vitreous luster. Crocoite, on other hand, exhibits Adamantine luster.