Thortveitite
Sc₂Si₂O₇
Silicates
Hardness —
· Monoclinic
Photo: Robert M. Lavinsky · CC BY-SA 3.0
(Ca,K)₄(Si,Al)₅O₁₁(SO₄,CO₃)
Sheet phospho- aluminosilicate mineral
Named after Lazio
Source: Wikidata
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