Origin
Canada, USA, Mexico, Madagascar, Australia, Not Available, Finland, India, Russia, Yellow, blue, Orange
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
Color
Violet, Colorless, gray, White, Green
Green, Colorless, gray, Yellow, White
For which Rashi?
Aquarius
Libra
Planet
Not Available
Venus
Element of Planets
Water
Earth
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Receptive
Not to wear with
Not Available
Not Available
Powers
Protection, Psychic Power
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.69-2.72
2.80-2.95
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Distinct on [001]
Mohs Hardness
6-6.5
6-6.5
Chemical Composition
(Na,Ca)1-2Si3-2O8
Ca2Al2Si3O12(OH)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
From the Congo
AbsentWalter Schumann
Transparency
Transparent, Translucent, Transparent to translucent
Translucent
Refractive Index
1.554-1.573
1.611-1.673
Optic Character
Not Available
Not Available
Crystal System
Triclinic
Orthorhombic
Birefringence
0.008-0.010
0.021-0.033
Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
Labradorite Vs Prehnite Fracture
Fracture is an important parameter when you compare Labradorite and Prehnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Labradorite Vs Prehnite 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 Labradorite is Conchoidal, Gems, Sixth Edition (2006) and Uneven. Prehnite fracture is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow.
Labradorite Vs Prehnite Luster
A primary knowledge about Labradorite vs Prehnite 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. Labradorite exhibits Pearly and Vitreous luster. Prehnite, on other hand, exhibits Vitreous luster.