Thenardite Sodium Sulfate

Thenardite

Osarizawaite Hydrous Lead Copper sulfate

Osarizawaite Hydrous Lead Copper sulfate

Thaumasite with Prehnite hydrous Calcium Carbonate Sulfate and Silicate

Jarosite on quartz Potassium iron sulfate

Jarosite on quartz Potassium iron sulfate

Brochantite monolithic hydrous sulfate

Barite nodule piece barium sulfate

Barite rose Barium sulfate

Barite Barium Sulfate

Chalcanthite Copper Sulfate

Caledonite w Linarite Copper Lead Carbonate Sulfate Hydroxide

Cyanotrichite Hydrated Copper Aluminum Sulfate Hydroxide

Halotrichite Hydrous iron aluminum sulfate

Iron II sulfate

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May 26

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