Marcasite Plume Agate Slab - Black Plume with Blue Agate St. Clair Fossil Fern Naturally formed volcanic glass with

Naturally formed volcanic glass with timeless appeal

or red sheen that shift under light

It shows the kind of intricate

and each year of digging revealed exciting new varieties

• Weight: 167 grams (5

Marcasite Plume Agate Slab - Black Plume with Blue Agate St. Clair Fossil Fern Naturally formed volcanic glass withMarcasite Plume Agate Slab Black Plume with Blue Agate Old Stock Mystery Material This very neat slab of black marcasite features tons of plume action with blue agate and attractive druzy pockets throughout. The slab has exceptional cabbing potential, and with so many plumes it will produce some spectacular cabochons or a gorgeous display piece. This is an old stock slab from an old collection, and while the exact locality is uncertain, it appears to