একটি সূক্ষ্মাতিসূক্ষ্ম রূপান্তরিত শিলা কাদামাটি স্কচ অন তাপ কর্ম দ্বারা গঠিত

hornstone's Usage Examples:

The term is derived from the German word Hornfels, meaning "hornstone", because of its exceptional toughness and texture both reminiscent of.

The area has outcrops of fine-grained greenstone or hornstone suitable for making polished stone axes.

the settlement stands on solid, partly brecciated limestone mixed with hornstone and dark platy limestone lying above Middle Triassic dolomite.

The hornstone on the summit has a depth of about 10 m and was formed from Grauwacke.

hard stones such as jade, jadeite and hornstone to make polished stone tools.

A good example is the hornstone found in the English Lake District used.

slightly tougher and finer grain than jasper, and less splintery than hornstone.

, flinty slate, hornstone, opal, zeolite, garnet, hornblende, alum-stone, talc, feldspar, dolomite.

hornstone's Meaning':

a fine-grained metamorphic rock formed by the action of heat on clay rocks