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