Origin
Brazil, Madagascar, Zambia, Sri Lanka, Burma, Russia, USA, Afghanistan
Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma
Color
Green, Blue, Yellow, Red, Brown, White, Colorless, pink
Blue, Violet, Yellow, Grey
For which Rashi?
Libra
Libra, Sagittarius, Taurus
Planet
Venus, Mars
Jupiter
Element of Planets
Water
Water
Specific Gravity
2.85-3.35
2.6-2.7
Fracture
Uneven, Conchoidal
-
Mohs Hardness
7-7.5
7-7.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Mg2Al4Si5O18
Pleochroism
typically moderate to strong
-
Transparency
Transparent, Translucent, Transparent to opaque
Transparent, Translucent, Transparent to translucent
Refractive Index
1.614-1.666
1.52-1.56
Crystal System
Trigonal
Orthorhombic
Birefringence
0.014-0.040
-9999
Clarity
Transparent
Transparent to translucent
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Excellent
Digestive
Supports digestive health
Supports digestive health
Psychology
Protection
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Intuition
Tourmaline Vs Iolite Fracture
Fracture is an important parameter when you compare Tourmaline and Iolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Tourmaline Vs Iolite 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 Iolite Luster
A primary knowledge about Tourmaline vs Iolite 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. Iolite, on other hand, exhibits Vitreous luster.