Asked by niharika | 5th Apr, 2014, 08:31: PM

Expert Answer:

Crystal twinning occurs when two separate crystals share some of the samecrystal lattice points in a symmetrical manner. The result is an intergrowth of two separate crystals in a variety of specific configurations. A twin boundary orcomposition surface separates the two crystals. Crystallographers classify twinned crystals by a number of twin laws. These twin laws are specific to the crystal system. The type of twinning can be a diagnostic tool in mineral identification.

Answered by  | 7th Apr, 2014, 09:40: AM

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