1. Different formationsLimestone is a sedimentary rock formed by calcium precipitation. Its formation has gone through h···

Formation of natural marbleMarble is a natural metamorphic rock. It is made of porous carbonate rock or limestone. After···

What is blue fluorite?Blue fluorite, also known as fluorite, is a gem-grade halide mineral. Its chemical composition is ···

Hematite is a common iron ore. Due to its high iron content, its color is usually reddish brown. It is formed by chemica···

Barite IntroductionBarite is a natural mineral, a sulfate mineral of barium. Its main component is barium sulfate (BaSO4···

Definition and characteristicsOre containing gold is gold ore, the main component of which is oxide or sulfide, and is g···

Graphite is a very common natural organic mineral, mainly composed of carbon elements stacked in a single-layer flake s···

Pyrite is a common ore, generally formed in sedimentary rocks or rocks related to intrusive rocks. The formation process···

Magnesite is a carbonate mineral that mainly contains magnesium minerals, as well as other elements such as iron and man···