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Teruggite is a mineral with the chemical formula Ca4MgAs2B12O22(OH)12·12(H2O). It is colorless. Its crystals are monoclinic to prismatic. It is transparent. It is not radioactive. It has vitreous luster. Teruggite is rated 2.5 on the Mohs Scale of hardness.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Teruggite". A list of authors is available in Wikipedia.
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