Tredouxite
Tredouxite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula NiSb₂O₆.
It crystallizes in the tetragonal crystal system (space group P4_2/mnm). It is a member of the Tapiolite structural group.
Key properties: Mohs hardness 3–3.5; specific gravity 6.65; Gray streak; Submetallic luster.
IMA symbol Tdx, IMA status: approved, named in 2017.
Found in a podiform nickeliferous deposit in altered ultramafic rocks.
It is found associated with Trevorite, bottinoite.
The mineral was named to honor Professor Marian Tredoux (b. 1952), University of the Free State, Bloemfontein, Republic of South Africa.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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