Ettringite Vs Cassiterite
Origin
Southern and central Africa
Sri Lanka
Color
Colorless, Yellow, White
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
White
White, Brownish
Solubility
Partially soluble in water
insoluble
Specific Gravity
1.77
6.86-7.03
Fracture
-
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
Perfect on {10 1 0}
{100} imperfect, {110} indistinct; partings on {111} or {011}
Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine, Greasy
Pleochroism
-
Pleochroic haloes have been observed. Dichroic in yellow
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.470-1.491
1.990-2.105
Crystal System
Trigonal
tetragonal
Birefringence
0.021
0.096-0.098
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Adaptability
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Manifestation
Ettringite Vs Cassiterite Fracture
Fracture is an important parameter when you compare Ettringite and Cassiterite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ettringite Vs Cassiterite 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. Cassiterite fracture is Subconchoidal, Uneven, Conchoidal and Irregular.
Ettringite Vs Cassiterite Luster
A primary knowledge about Ettringite vs Cassiterite 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. Ettringite exhibits Vitreous luster. Cassiterite, on other hand, exhibits Adamantine and Greasy luster.