Bismuth (Bi) – The Popular Rainbow Element
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Bismuth (Bi) – The Popular Rainbow Element

ByGeo Forward

Bismuth (Bi) – The Popular Rainbow Element Bismuth Chemical & Physical Properties Bismuth has been known and used by humans for hundreds of years for its host of remarkable properties. The mineral we know as bismuth was originally referred to as Wismut by 15th-century German monks, the name coming from the German phrase meaning “white mass.”…

Agate Types & Geological Properties of the Agate Crystal
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Agate Types & Geological Properties of the Agate Crystal

ByGeo Forward

Agate Types & Geological Properties of the Agate Crystal The agate crystal is a microcrystalline-quartz mineraloid that has a lustrous display of multi-color banding and results from long-term accumulations of siliceous groundwater deposits in rock cavities. Much like other mineraloids, all agate types form over thousands of years inside the existing voids of other igneous,…