Origin
USA, Mexico
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Color
Green, Brown, Greenish, Black
Yellow, Brown, Colorless, White, gray, Brownish
Streak
Greenish, gray
White
Specific Gravity
3.19-3.56
2.97-3.03
Fracture
Uneven, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{110} Perfect, {010} Indistinct
{001} Poor
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Resinous
Vitreous, Greasy
Pleochroism
Pale green
Weak: pale yellow yellow
Transparency
Transparent, Translucent
-
Refractive Index
1.671-1.774
1.627-1.639
Optic Character
-
Biaxial/+
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Orthorhombic
Birefringence
-9999
0.006
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Supports heart health
Psychology
Courage
Spiritual Awareness
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Spiritual Awakening
Augite Vs Danburite Fracture
Fracture is an important parameter when you compare Augite and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Augite 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 Augite is Uneven and Conchoidal. Danburite fracture is Uneven, ConchoidalWalter Schumann and Conchoidal.
Augite Vs Danburite Luster
A primary knowledge about Augite 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. Augite exhibits Vitreous and Resinous luster. Danburite, on other hand, exhibits Vitreous and Greasy luster.