Verdelite Vs Scapolite
Origin
Afghanistan, Brazil, Mozambique, Sri Lanka, USA
Canada, Brazil, Kenya, Tanzania, Madagascar, Burma, Afghanistan
Color
Green, Brown
Violet, White, gray, Brown, pink, Yellow
Specific Gravity
2.90-3.40
2.58-2.74
Fracture
Conchoidal
ConchoidalWalter Schumann, Splintery
Cleavage
Indiscernible
{100} Distinct, {110} Distinct
Mohs Hardness
7-7.5
5.5-6
Chemical Composition
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.
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Pleochroism
Strong: dark green yellow
-
Transparency
Transparent, Translucent
-
Refractive Index
1.614-1.666
1.540-1.579
Crystal System
-
tetragonal
Birefringence
0.014-0.040
0.006-0.037
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
-
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Psychology
Compassion
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Compassion
Problem Solving & Creativity
Verdelite Vs Scapolite Fracture
Fracture is an important parameter when you compare Verdelite and Scapolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Verdelite Vs Scapolite 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 Verdelite is Conchoidal. Scapolite fracture is ConchoidalWalter Schumann and Splintery.
Verdelite Vs Scapolite Luster
A primary knowledge about Verdelite vs Scapolite 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.