Vivianite Vs Catapleiite
Origin
Southern and central Africa
Southern and central Africa
Color
Blue, Green, Colorless
Blue, Brown, Colorless, Yellow
Specific Gravity
2.64-2.70
2.72
Cleavage
{010} Perfect
{110} Perfect, {010} Perfect
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
-
Transparency
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Refractive Index
1.560-1.640
1.590-1.629
Crystal System
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Birefringence
0.054-0.075
0.039
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Harmony
Vivianite Vs Catapleiite Fracture
Fracture is an important parameter when you compare Vivianite and Catapleiite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vivianite Vs Catapleiite 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.
Vivianite Vs Catapleiite Luster
A primary knowledge about Vivianite vs Catapleiite 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. Vivianite exhibits Vitreous and Pearly luster. Catapleiite, on other hand, exhibits Vitreous luster.