The Phenomenon where electric charge develops due to application of pressure is ______

The tendency of a crystallized mineral to break along certain directions yielding more or less smooth, plane surfaces is…

Which of the following is not true about plagioclase?

Which of the following mineral shows phosphorescence?

The chemical composition of the feldspar group is ______

Carbonate minerals are found usually in _______

Dolomite is formed by the action of magnesian rich sea water on which deposit?

Kyanite shows which form?