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