మట్టి శిలలపై ఉష్ణ చర్య ద్వారా ఏర్పడిన మెటామార్ఫిక్ రాక్,

hornstone's Usage Examples:

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

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

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

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

fine-grained greenstone or hornstone suitable for making polished stone axes.

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

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

Okladnikov Cave were made from jasperoids, while around 5% were made from hornstones.

, flinty slate, hornstone, opal, zeolite, garnet, hornblende, alum-stone, talc, feldspar, dolomite, alum, plumbago or black lead, grey wacke.

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

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

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

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