Origin
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Southern and central Africa
Color
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Blue, Violet, Brown, White, Greenish, pink
For which Rashi?
Pisces, Taurus, Gemini, Libra
Leo, Sagittarius
Element of Planets
Water
Water
Powers
Psychic Power
Healing
Specific Gravity
3.95-4.03
3.26-3.41
Fracture
Uneven
Fibrous, ConchoidalWalter Schumann
Cleavage
None, but may exhibit parting
Distinct on {100}, poor on {110}; parting on {001}
Chemical Composition
Al 2 O 3
AlAl6O3BSi3O18
Luster
Vitreous, Adamantine
Vitreous
Pleochroism
Strong
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Transparency
Transparent, Translucent, Transparent to opaque
Translucent, Translucent to opaque
Refractive Index
1.762-1.788
1.669-1.723
Crystal System
Trigonal
Orthorhombic
Birefringence
0.008-0.009
0.011-0.037
Clarity
Transparent
Translucent
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Psychology
Intuition
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Wisdom
Patience
Sapphire Vs Dumortierite Fracture
Fracture is an important parameter when you compare Sapphire and Dumortierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sapphire Vs Dumortierite 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 Sapphire is Uneven. Dumortierite fracture is Fibrous and ConchoidalWalter Schumann.
Sapphire Vs Dumortierite Luster
A primary knowledge about Sapphire vs Dumortierite 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. Sapphire exhibits Vitreous and Adamantine luster. Dumortierite, on other hand, exhibits Vitreous luster.