Anhydrite Vs Verdelite
Origin
Mexico
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Color
Colorless, Blue, Violet, White, Brown, rose, gray
Green, Brown
Specific Gravity
2.90-2.98
2.90-3.40
Fracture
Conchoidal
Conchoidal
Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Indiscernible
Chemical Composition
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Pleochroism
For violet varieties
Strong: dark green yellow
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.570-1.614
1.614-1.666
Crystal System
Orthorhombic
-
Birefringence
0.042-0.044
0.014-0.040
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Psychology
Calmness
Compassion
Healing
Emotional healing
Emotional healing
Qualities Associated
Acceptance
Compassion
Anhydrite Vs Verdelite Fracture
Fracture is an important parameter when you compare Anhydrite and Verdelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anhydrite Vs Verdelite 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. Verdelite fracture is Conchoidal.
Anhydrite Vs Verdelite Luster
A primary knowledge about Anhydrite vs Verdelite 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.