Lapis naturalis ad saxa sedimentaria vel metamorphica carbonas, ut marmor, dolomite, calcis; sabuleum, shale et rasa. Lapis naturalis modernus est fodiatur ex petra naturali, et post seriem processus, Cum referatur ad materiam ornatam in domum suam, generalis aedificium decorativum lapidis naturalis maxime lapidis et marmoris duo genera.
Lapis lapidis ignei, qui etiam acidum crystallinum petra plutonica vocatur. Igniosa petra latissime distribuitur, per feldspar, vicus et micas conpositio, petra dura densa. Granite maxime componitur ex dioxide siliconis, circiter 65%-75% petrae ignei sic dicti, est magma vel volcanica eruptio lavae crystallizationis subterranea.
Marble is a metamorphic rock formed by high temperature and pressure in the crust of the Central Plain. The internal force of the Earth’s crust causes the qualitative changes of the original rocks, i. e. the structure, structure and mineral composition of the original rocks are changed. New Rocks formed by metamorphism are called metamorphic rocks.