ROHSTEIN - CHALCEDON FEUERSTEIN - Sedimentary quartz
POLYCHROM = multicolored
This material is often mistakenly offered as jasper. However, jasper does not have a weathered rind and does not break with such razor-sharp edges. The English name for these stones is CHERT or FLINTSTONE.
Antsirabe - Madagascar
Weight: 0.58 kg. Dimensions: 11 x 7 x 5 cm