Anthophyllite Vs Verdelite
Origin
Southern and central Africa
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Color
Brown, White, Greenish, gray, Green, Brownish
Green, Brown
Specific Gravity
2.9-3.5
2.90-3.40
Fracture
Conchoidal
Conchoidal
Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Indiscernible
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
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, Pearly
-
Pleochroism
-
Strong: dark green yellow
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.603-1.690
1.614-1.666
Optic Character
Biaxial/+
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
-
Birefringence
-9999
0.014-0.040
Clarity
Transparent
Transparent
Neurological
Enhances brain function
-
Cardiovascular
Supports heart health
Supports heart health
Psychology
Peace
Compassion
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-discovery
Compassion
Anthophyllite Vs Verdelite Fracture
Fracture is an important parameter when you compare Anthophyllite and Verdelite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anthophyllite 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 Anthophyllite is Conchoidal. Verdelite fracture is Conchoidal.
Anthophyllite Vs Verdelite Luster
A primary knowledge about Anthophyllite 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. Anthophyllite exhibits Vitreous and Pearly luster.