Obsidian Vs Andradite
Origin
Australia, Canada, Guatemala, Italy, Kenya, Mexico, Turkey
Italy, Russia
Color
Brown, Green
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
Streak
Not Available
White
For which Rashi?
Sagittarius
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Energy
Projective
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Deities
Itzpapalotl
Not Available
Not to wear with
Not Available
Not Available
Powers
Protection
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
2.35-2.60
3.70-4.10
Fracture
Conchoidal, ConchoidalWalter Schumann
Conchoidal, Uneven, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
none
Mohs Hardness
5-5.5
6.5-7
Chemical Composition
Not Available
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine, Resinous
Pleochroism
AbsentWalter Schumann
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.450-1.550
1.88-1.94
Optic Character
Not Available
Not Available
Crystal System
Amorphous
cubic
Birefringence
Not Available
0.057
Clarity
Transparent
Transparent
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
Obsidian Vs Andradite Fracture
Fracture is an important parameter when you compare Obsidian and Andradite Physical Properties. It is necessary to understand the significance of these properties, before you compare Obsidian Vs Andradite 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 Obsidian is Conchoidal and ConchoidalWalter Schumann. Andradite fracture is Conchoidal, Uneven, Brittle, ConchoidalArthur Thomas and Gemstones (2009).
Obsidian Vs Andradite Luster
A primary knowledge about Obsidian vs Andradite 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. Obsidian exhibits Vitreous luster. Andradite, on other hand, exhibits Adamantine and Resinous luster.