- Langban mine, Filipstad, Varmland, Sweden
- Miniature, 6.0 x 4.5 x 2.0 cm
- Ex. Swedish Museum of Natural History
Pale gray to pale pink mottled matrix of calcite and dolomite with disseminated, black, subhedral grains of pinakiolite to 2 mm. This rare magnesium manganese borate is from Langban, Filipstad, Varmland, Sweden, the type locality. Ex. Pauli Matioli collection with a Swedish Museum of Natural History label and an experienced label indicating "Pinakiolite, Langban" in pencil.