Danburite Vs Verdelite
Origin
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Origins: USA, Germany, Japan
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Color
Yellow, Brown, Colorless, White, gray, Brownish
Green, Brown
Specific Gravity
2.97-3.03
2.90-3.40
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
{001} Poor
Indiscernible
Chemical Composition
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Luster
Vitreous, Greasy
-
Pleochroism
Weak: pale yellow yellow
Strong: dark green yellow
Transparency
-
Transparent, Translucent
Refractive Index
1.627-1.639
1.614-1.666
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic
-
Birefringence
0.006
0.014-0.040
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Psychology
Spiritual Awareness
Compassion
Healing
Emotional healing
Emotional healing
Qualities Associated
Spiritual Awakening
Compassion
Danburite Vs Verdelite Fracture
Fracture is an important parameter when you compare Danburite and Verdelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Danburite Vs Verdelite 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. Verdelite fracture is Conchoidal.
Danburite Vs Verdelite Luster
A primary knowledge about Danburite vs Verdelite 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.