For astronomers, the day that the sun’s path and the...

Clear ice is a natural weather event that occurs when air...

Condensation is the change of a substance from a gaseous...

Terraforming Terraforming (literally, “Earth-shaping”) is the process of modifying a...

Calcite The mineral calcite is a calcium carbonate corresponding to...

Biotite is a common phyllosilicate mineral that contains potassium, magnesium,...

Bornite is a sulfide mineral with chemical composition Cu5FeS4 that...

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Beryllium is the chemical element in the periodic table that...

Azurite Azurite is a soft, deep blue copper mineral result from weathering of copper...

Barite (BaSO4) is a mineral consisting of barium sulfate. It...