Mineral Specimen and Product Inventory Search

Availability

Available

Price

$80.00

Locality

San Gabriel, Rio Grande do Sul, Brazil

Formula

SiO₂

Size

5.5 x 5 x 4 cm - Sm Cabinet

I found no reference to this locality, perhaps you might know?

Originally labeled as Quartz ps after Laumontite, but looks more like a pseudomorph (or epimorph) after Anhydrite. The centers of the crystals are hollowed out. Any which way, it a nice example of replacement.