Origin
Brazil, Colombia, Southern and central Africa
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Greenish, Blue, Colorless, White, Green
Yellow, Brown, Colorless, White, gray, Brownish
Specific Gravity
3.08-3.12
2.97-3.03
Fracture
ConchoidalWalter Schumann
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{010} Perfect
{001} Poor
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Weak: colorless-(greenish) yellow
Weak: pale yellow yellow
Refractive Index
1.650-1.677
1.627-1.639
Optic Character
-
Biaxial/+
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Orthorhombic
Birefringence
0.019-0.025
0.006
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Psychology
Harmony
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Spiritual Awakening
Euclase Vs Danburite Fracture
Fracture is an important parameter when you compare Euclase and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Euclase Vs Danburite 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 Euclase is ConchoidalWalter Schumann. Danburite fracture is Uneven, ConchoidalWalter Schumann and Conchoidal.
Euclase Vs Danburite Luster
A primary knowledge about Euclase vs Danburite 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. Euclase exhibits Vitreous luster. Danburite, on other hand, exhibits Vitreous and Greasy luster.