Scapolite Vs Foitite
Origin
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Southern and central Africa
Color
Violet, White, gray, Brown, pink, Yellow
Violet, Black
Specific Gravity
2.58-2.74
3.17
Fracture
ConchoidalWalter Schumann, Splintery
-
Cleavage
{100} Distinct, {110} Distinct
None
Chemical Composition
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
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Pleochroism
-
Strong: pale lavender dark blueAnthony et al
Transparency
-
TranslucentAnthony et al, Translucent
Refractive Index
1.540-1.579
-9999
Crystal System
tetragonal
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.006-0.037
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentAnthony et al
Neurological
Enhances mental clarity and focus
-
Psychology
Creativity
Empowerment
Healing
Emotional healing
Emotional healing
Qualities Associated
Problem Solving & Creativity
Emotional Healing
Scapolite Vs Foitite Fracture
Fracture is an important parameter when you compare Scapolite and Foitite Physical Properties. It is necessary to understand the significance of these properties, before you compare Scapolite Vs Foitite 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 Scapolite is ConchoidalWalter Schumann and Splintery.
Scapolite Vs Foitite Luster
A primary knowledge about Scapolite vs Foitite 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. Foitite, on other hand, exhibits Vitreous luster.