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Silicate

Chromium-dravite

NaMg₃Cr₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Crystal systemHexagonal
ClassSilicate
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Chromium-dravite

Chromium-dravite is an IMA-recognized mineral species in the silicate class, with the chemical formula NaMg₃Cr₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH).

It crystallizes in the hexagonal crystal system (space group R3m). It is a member of the Tourmaline structural group.

IMA symbol Cdrv, IMA status: approved, named in 1982.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more C minerals or help write this entry.