Clarity:   I (Included)

showcasing their role as formidable predators in ancient oceans

Dimensions: 128x38x51 mm / 5

This is a natural cluster formation of large calcite crystals with hematite inclusions

Dimensions:  125x71x3 mm / 4

Fluorapatite Crystal | Perky Box Thumbnail Specimen | Cerro del Mercado | Durango, Mexico Pectolite Clarity: I (Included)This is an incredible green yellow fluorapatite crystal from Cerro del Mercado (Iron Mountain) at Durango, Mexico. It is completely free of the matrix and has a relatively perfect termination. The specimen came from the Earl Calvert Collection. At Cerro de Mercado numerous veins containing gemmy, lemon yellow to greenish fluorapatite crystals cut through the hematite massif. These crystals have been collected for decades from the area's iron mines,