Vivianite Vs Scapolite
Origin
Southern and central Africa
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Color
Blue, Green, Colorless
Violet, White, gray, Brown, pink, Yellow
Specific Gravity
2.64-2.70
2.58-2.74
Fracture
-
ConchoidalWalter Schumann, Splintery
Cleavage
{010} Perfect
{100} Distinct, {110} Distinct
Mohs Hardness
-9999
5.5-6
Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Pearly
-
Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
-
Transparency
Transparent
-
Refractive Index
1.560-1.640
1.540-1.579
Crystal System
-
tetragonal
Birefringence
0.054-0.075
0.006-0.037
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Psychology
Hope
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Transformation
Problem Solving & Creativity
Vivianite Vs Scapolite Fracture
Fracture is an important parameter when you compare Vivianite and Scapolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Vivianite Vs Scapolite 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. Scapolite fracture is ConchoidalWalter Schumann and Splintery.
Vivianite Vs Scapolite Luster
A primary knowledge about Vivianite vs Scapolite 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.