For the uraninite: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments; data from http://webmineral.com/data/Uraninite.shtml.
Any mineral of uranium has its specific properties - and we know now approx. 200 uranium minerals.
Cleavage is the tendency to break along flat surfaces, and fracture is the tendency of a mineral to break into irregular pieces.
Chrysotile serpentine is a typical mineral with splintery fracture and kyanite is an example of a non-fibrous mineral that has this fracture.
The mineral would either cleave on planes of weakness, or fracture.
Yes, you are right. It's carnotite and uraninite.
The mineral Amber is classified in the mineral group " mineraloids. hardness: 2-2.5 density: 1.05 streak: white Fracture: conchodial Cleavage: none
Uraninite
pitchblende
gypsum, uraninite, silver, copper, and gold
Pitchblende, uraninite, carnotite, davidite, euxenite, etc.
The most common minerals of uranium are uraninite and carnotite.
The two way by which minerals break are called cleavage and fracture. Cleavage is when a mineral breaks along a plane whose atomic bonds are weaker than in the rest of the mineral. Fracture is when a mineral is forced to be broken in an unnatural direction.
strike
A mineral with fracture has uneven side when split into half.
Cleavage is the breaking of a mineral along flat surfaces. Fracture, on the hand is just the chipping or "fracture" of a mineral.Cleavage is the tendency to break along flat surfaces, and fracture is the tendency of a mineral to break into irregular pieces.
The fracture of Mica is its mineral structure.
The fracture of aquamarine is cleavage.
There's Ulexite and Ullmannite. Then, there's Uraninite and Uranocircite. Also, there's Uranophane and Uvarovite.