Titaniummineral data
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Type locality

Hackman valley

RussiaCountry
4Minerals

Facts

Country
Russia
Minerals
4
Species citing it (Wikidata)
3
First described here
Ferricerite-(LaCa), Khibinskite, Tsepinite-Ca and others

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q53810011

Minerals first described here · 4

MineralChemical formulaCrystal systemMohs hardnessDensity
Ferricerite-(LaCa)(La₆Ca₃)􏰀Fe³⁺(SiO₄)₃(SiO₃OH)₄(OH)₃———
KhibinskiteK₂ZrSi₂O₇Monoclinic—3.19 g/cm³
Tsepinite-Ca(Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O———
YuksporiteK₄(Ca,Na)₁₄(Sr,Ba)₂(☐,Mn,Fe)(Ti,Nb)₄(O,OH)₄(Si₆O₁₇)₂(Si₂O₇)₃(H₂O,OH)₃Monoclinic5.0—