United States or Sri Lanka ? Vote for the TOP Country of the Week !
The severe crushing to which the rock has been subjected has resulted in the conversion of the plagioclase into scapolite and also in the formation of zoisite by the characteristic alteration of the lime bearing silicate of the feldspar in conjunction with other constituents of the rock. The light mineral is finely granulated and the whole is marked by uneven extinction.
Word Of The Day