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Definition: Argillite, also known as beryl, is a type of mineral that is formed from the feldspar minerals quartz and hornblende. It is a very hard, brittle form of these minerals, which are found in the Earth's crust. The structure of argillite is composed of layers of quartz and hornblende arranged in a zigzag pattern, known as a "Z" shape. This type of mineral is known for its high refractive index, or the amount of
Definition: The term "argilloferruginous" refers to a type of mineral that is known for its distinctive color and appearance due to the presence of iron oxides in its structure. These minerals are commonly found on rocks, such as quartz or calcite, and can have different shades of brown, black, or gray depending on the specific mineral. The term "argilloferruginous" refers to a particular type of argillite mineral that is known for its bright yellow coloration
Definition: Hydrargillite is a mineral that has a variety of uses, including as a lubricant and an ingredient in various products. It is often used in automotive lubricants to improve its performance and reduce friction. It can also be used as a component in the production of various industrial and medical equipment.
Definition: The term "icosium" refers to a type of mineral, specifically an argillite or a quartz crystal that is characterized by its irregular shape and often has a honeycomb-like structure. It is found in various parts of the world, including Australia, New Zealand, and South Africa, where it is known as "Icosium".