Anhydrite Vs Sugilite
Origin
Mexico
Canada, Southern and central Africa, Italy, Australia, India
Color
Colorless, Blue, Violet, White, Brown, rose, gray
Violet, Brownish, Yellow, Reddish, Pale pink
Planet
-
Mercury, Jupiter
Element of Planets
-
Water
Specific Gravity
2.90-2.98
2.69-2.79
Fracture
Conchoidal
Conchoidal
Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Poor on {0001}
Mohs Hardness
3.5
5.5-6.5
Chemical Composition
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Pearly, Greasy
Vitreous
Pleochroism
For violet varieties
Weak
Transparency
Transparent
Translucent
Refractive Index
1.570-1.614
1.607-1.612
Crystal System
Orthorhombic
Hexagonal
Birefringence
0.042-0.044
0.003
Clarity
Transparent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Excellent
Psychology
Calmness
Spirituality
Healing
Emotional healing
Emotional healing
Qualities Associated
Acceptance
Spiritual Protection
Anhydrite Vs Sugilite Fracture
Fracture is an important parameter when you compare Anhydrite and Sugilite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anhydrite Vs Sugilite 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 Anhydrite is Conchoidal. Sugilite fracture is Conchoidal.
Anhydrite Vs Sugilite Luster
A primary knowledge about Anhydrite vs Sugilite 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. Anhydrite exhibits Pearly and Greasy luster. Sugilite, on other hand, exhibits Vitreous luster.