What is a pumice stone?

The pumice stone is a heterogeneous mineral, and its crystal structure and chemical formula are similar to those of almandine, but the obvious difference is that the pumice stone has severe twists and turns and can show blue or brown abnormal interference color.

Taihang stone is commonly known as Taihang turpentine jade-local stone farmers call it "cowhide stone" Taihang magnesite-called "donkey skin stone" by local stone farmers. Taihang magnesite-called "donkey skin stone" by local stone farmers. Taihang dental calculus-called "dental calculus" by local stone farmers.

The scientific name of marble is marble, also known as limestone and marble. Marble originally refers to white limestone with black patterns produced in Dali, Yunnan. The profile can form a natural ink landscape painting. In ancient times, marble with molding patterns was often used to make painting screens or mosaics.

A single mineral is a single mineral. Rock is a collection of minerals, generally composed of many minerals. A rock composed of only one mineral is called a single mineral rock.