Gedrite Vs Opal
Origin
Southern and central Africa
Ethiopia
Color
Brown, Green, gray, White
Yellow, White, Red, Brown, Blue
For which Rashi?
-
Cancer, Libra, Scorpio
Element of Planets
-
Earth, Air, Water
Powers
-
Astral Projection, Psychicism
Tenacity
-
BrittleWalter Schumann
Solubility
-
hot salt water
Specific Gravity
3.15-3.259
1.98-2.25
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
None
Mohs Hardness
5.5-6
5-6.5
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
SiO2 · nH2O
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak to moderate
None
Transparency
Transparent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.625-1.718
1.37-1.52
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
Birefringence
-9999
-9999
Clarity
Transparent
Transparent
Neurological
-
Enhances mental clarity and focus
Psychology
Focus
Creativity
Healing
-
Emotional healing
Qualities Associated
Protection
Creativity
Gedrite Vs Opal Fracture
Fracture is an important parameter when you compare Gedrite and Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Opal 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. Opal fracture is Conchoidal.
Gedrite Vs Opal Luster
A primary knowledge about Gedrite vs Opal 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. Gedrite exhibits Vitreous luster. Opal, on other hand, exhibits Vitreous and Pearly luster.