Catapleiite Vs Dravite
Origin
Southern and central Africa
Southern and central Africa
Color
Blue, Brown, Colorless, Yellow
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Specific Gravity
2.72
3.03-3.18
Fracture
-
Uneven, Irregular, Conchoidal
Cleavage
{110} Perfect, {010} Perfect
{???} Indistinct
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Pleochroism
-
Very strong: pale yellow colorless
Transparency
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Refractive Index
1.590-1.629
1.614-1.666
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
0.039
0.014-0.032
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Psychology
Harmony
Self-acceptance
Healing
Emotional healing
Emotional healing
Qualities Associated
Harmony
Self-Exploration
Catapleiite Vs Dravite Fracture
Fracture is an important parameter when you compare Catapleiite and Dravite Physical Properties. It is necessary to understand the significance of these properties, before you compare Catapleiite Vs Dravite 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. Dravite fracture is Uneven, Irregular and Conchoidal.
Catapleiite Vs Dravite Luster
A primary knowledge about Catapleiite vs Dravite 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. Catapleiite exhibits Vitreous luster. Dravite, on other hand, exhibits Vitreous luster.