Polished Septerye Spheres x 2 From Mahajanga, Madagascar POLISHED / NATURAL Size = 4 - 28

Size = 4 - 28 mm

and range from small points to large cabinet-sized clusters and crystals with good overall form and transparency

Size = 132 - 157 mm

black Fe or/and Iron Oxide coloration and are usually so good that they are considered as  the ' Standard" to compete with with World Ammonites

Polished Septerye Spheres x 2 From Mahajanga, Madagascar POLISHED / NATURAL Size = 4 - 28A NOTE FROM NICK A pair of large beautifully polished Septerye fossil spheres. PRODUCT DESCRIPTION Septerye from Madagascar Septerye is a captivating gem celebrated for its earthy tones and intricate, web like patterns that evoke ancient mosaics or cracked earth. Formed millions of years ago during the Cretaceous Period, it blends vibrant golden yellow Calcite, rich brown Aragonite, and subtle grey Limestone, creating a striking contrast of colors and