Tourmaline Vs Sardonyx
Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Southern and central Africa
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
White, Colorless, Blue, Red, Green, Yellow, Violet
Element of Planets
Water
-
Specific Gravity
2.85-3.35
2.55-2.70
Fracture
Uneven, Conchoidal
-
Mohs Hardness
7-7.5
6.5-7
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
SiO 2Ulrich Henn and Claudio C.
Pleochroism
typically moderate to strong
-
Transparency
Transparent, Translucent, Transparent to opaque
Translucent
Refractive Index
1.614-1.666
1.530-1.543
Crystal System
Trigonal
-
Birefringence
0.014-0.040
0.008-0.010
Clarity
Transparent
Translucent
Neurological
Aids in mental clarity and focus
-
Digestive
Supports digestive health
-
Psychology
Protection
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Protection
Strength & Protection
Tourmaline Vs Sardonyx Fracture
Fracture is an important parameter when you compare Tourmaline and Sardonyx Physical Properties. It is necessary to understand the significance of these properties, before you compare Tourmaline Vs Sardonyx 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 Tourmaline is Uneven and Conchoidal.
Tourmaline Vs Sardonyx Luster
A primary knowledge about Tourmaline vs Sardonyx 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. Tourmaline exhibits Vitreous luster.