Verdelite Vs Zoisite
Origin
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Pakistan, Tanzania
Color
Green, Brown
Brown, gray, Green, Blue, rose, Red
Streak
-
White, Colorless
Specific Gravity
2.90-3.40
3.20-3.50
Fracture
Conchoidal
Uneven, Conchoidal, Even
Cleavage
Indiscernible
Perfect {010} imperfect {100}
Chemical Composition
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.
Ca2Al3(SiO4)3(OH)
Pleochroism
Strong: dark green yellow
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Transparency
Transparent, Translucent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
1.614-1.666
1.685-1.707
Crystal System
-
Orthorhombic
Birefringence
0.014-0.040
0.006-0.018
Clarity
Transparent
Transparent
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Psychology
Compassion
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Compassion
-
Verdelite Vs Zoisite Fracture
Fracture is an important parameter when you compare Verdelite and Zoisite Physical Properties. It is necessary to understand the significance of these properties, before you compare Verdelite Vs Zoisite 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 Verdelite is Conchoidal. Zoisite fracture is Uneven, Conchoidal and Even.
Verdelite Vs Zoisite Luster
A primary knowledge about Verdelite vs Zoisite 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. Zoisite, on other hand, exhibits Vitreous luster.