Home
Gemstones


Gedrite Vs Jacobsite


Jacobsite Vs Gedrite


Astrology

Origin
Southern and central Africa  
Southern and central Africa  

Color
Brown, Green, gray, White  
Black, Brownish, White, Brown  

Streak
gray, White  
Reddish, Black  

For which Rashi?
Not Available  
Not Available  

Planet
Not Available  
Not Available  

Element of Planets
Not Available  
Not Available  

Energy
Not Available  
Not Available  

How to Wear?
  
  

Finger
Not Available  
Not Available  

Ring Metal
Not Available  
Not Available  

Deities
Not Available  
Not Available  

Not to wear with
Not Available  
Not Available  

Powers
Not Available  
Not Available  

Birthstone
  
  

Planetary
Not Available  
Not Available  

Talisman
Not Available  
Not Available  

Physical Properties

Tenacity
Not Available  
Not Available  

Solubility
Not Available  
Not Available  

Durability
Not Available  
Not Available  

Specific Gravity
3.15-3.259  
4.76-5.03  

Fracture
Not Available  
Conchoidal, Brittle  

Cleavage
Gedrite   Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.  
None  

Mohs Hardness
5.5-6  
5.5-6.5  

Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)  
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)  

Optical Properties

Luster
Fibrous, Vitreous  
Not Available  

Pleochroism
Weak to moderate  
Not Available  

Dispersion
Not Available  
Not Available  

Transparency
Transparent  
Translucent  

Refractive Index
1.625-1.718  
Not Available  

Optic Character
Not Available  
Not Available  

Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  
Not Available  

Birefringence
Not Available  
Not Available  

Clarity
Transparent  
Translucent  

Benefits

Physical
  
  

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  

Astrology >>
<< All

Gedrite Vs Jacobsite Fracture

Fracture is an important parameter when you compare Gedrite and Jacobsite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Jacobsite 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. Jacobsite fracture is Conchoidal and Brittle.

Compare Brown Gemstones

Gedrite Vs Jacobsite Luster

A primary knowledge about Gedrite vs Jacobsite 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 Fibrous and Vitreous luster.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones