teruggite
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thumb | right | One white crystal group of the very rare arsenate-borate mineral teruggite from the TL in Loma Blanca, Argentina and only one of three known localities worldwide. Teruggite is a mineral with the chemical formula Ca4MgAs2B12O22(OH)12·12H2O. It is colorless. Its crystals are monoclinic prismatic. It is transparent. It is not radioactive. It has vitreous luster. Teruggite is rated 2.5 on the Mohs Scale of hardness.
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- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 6.FA.25
- Nickel-Strunz 9th edition (updated 2009)
- 6.FA.25
- Mohs' hardness
- 2.5
- IMA Mineral Symbol
- Tgg
- chemical formula
- Ca₄Mg[AsO₄|B₆O₇(OH)₆]₂·14H₂O
- Strunz 8th edition (series ID, updated)
- Vc/C. – Unklassifiziert
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thumb | right | One white crystal group of the very rare arsenate-borate mineral teruggite from the TL in Loma Blanca, Argentina and only one of three known localities worldwide. Teruggite is a mineral with the chemical formula Ca4MgAs2B12O22(OH)12·12H2O. It is colorless. Its crystals are monoclinic prismatic. It is transparent. It is not radioactive. It has vitreous luster. Teruggite is rated 2.5 on the Mohs Scale of hardness.
==References== Webmineral data Mindat.org Handbook of Mineralogy