Rickturnerite
Rickturnerite is an IMA-recognized mineral species in the halide class, with the chemical formula Pb₇O₄[Mg(OH)₄](OH)Cl₃.
It crystallizes in the orthorhombic crystal system (space group Pmm2).
Key properties: Mohs hardness 3; specific gravity 6.886; White streak; Vitreous luster.
IMA symbol Rtn, IMA status: approved, named in 2010.
Part of an assemblage of lead oxychloride minerals that occur in cavities in manganese oxide pods in limestone.
It is found associated with Mereheadite, cerussite, calcite, aragonite, mimetite, hydrocerussite, “plumbonacrite, ” manganite, pyrolusite, and an uncharacterized lead oxychloride.
The mineral was named to honor Rick Turner, geologist and mineral collector, who collected the first specimens.
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 R minerals or help write this entry.