Natrosulfatourea
Natrosulfatourea is an IMA-recognized mineral species in the organic mineral class, with the chemical formula Na₂(SO₄)[CO(NH₂)₂].
It crystallizes in the orthorhombic crystal system (space group Pbcn).
Key properties: Mohs hardness 1.5; specific gravity 1.92; White streak; Vitreous luster; optically biaxial.
IMA symbol Nsf, IMA status: approved, named in 2020.
On rock surfaces as the result of evaporation under the conditions prevailing underground (Rowley mine).
It is found associated with Natrosulfatourea, aphthitalite, urea (Rowley mine).
Reflects its composition: sodium (natro), sulfate (sulfato), urea (urea).
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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