Bertrandite Vs Euclase
Origin
Southern and central Africa
Brazil, Colombia, Southern and central Africa
Color
Colorless, Yellow
Greenish, Blue, Colorless, White, Green
Specific Gravity
2.59-2.60
3.08-3.12
Fracture
-
ConchoidalWalter Schumann
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
{010} Perfect
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
none.
Weak: colorless-(greenish) yellow
Transparency
TransparentAnthony et al
-
Refractive Index
1.583-1.614
1.650-1.677
Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-9999
0.019-0.025
Clarity
TransparentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Promotes mental clarity
-
Psychology
Harmony
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Communication
Bertrandite Vs Euclase Fracture
Fracture is an important parameter when you compare Bertrandite and Euclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Bertrandite Vs Euclase 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. Euclase fracture is ConchoidalWalter Schumann.
Bertrandite Vs Euclase Luster
A primary knowledge about Bertrandite vs Euclase 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. Bertrandite exhibits Vitreous luster. Euclase, on other hand, exhibits Vitreous luster.