Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Southern and central Africa
Color
Yellow, Brown, Colorless, White, gray, Brownish
Brown, White, Greenish, gray, Green, Brownish
Specific Gravity
2.97-3.03
2.9-3.5
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
{001} Poor
{110} Perfect, {???} Distinct, {???} Distinct
Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
Weak: pale yellow yellow
-
Transparency
-
Transparent
Refractive Index
1.627-1.639
1.603-1.690
Optic Character
Biaxial/+
Biaxial/+
Crystal System
Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.006
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
Enhances brain function
Cardiovascular
Supports heart health
Supports heart health
Psychology
Spiritual Awareness
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Awakening
Self-discovery
Danburite Vs Anthophyllite Fracture
Fracture is an important parameter when you compare Danburite and Anthophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Danburite Vs Anthophyllite 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 Danburite is Uneven, ConchoidalWalter Schumann and Conchoidal. Anthophyllite fracture is Conchoidal.
Danburite Vs Anthophyllite Luster
A primary knowledge about Danburite vs Anthophyllite 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. Danburite exhibits Vitreous and Greasy luster. Anthophyllite, on other hand, exhibits Vitreous and Pearly luster.