Stone(s): Wild Septarian
Color: black
Dimensions: H 28 cm x W 15.5 cm – Base: approx. 7.9 cm
Approximate weight: 5.4 kg
Stone shape: polished egg
Photos are contractual.
Classification: no classification. Septarian is a sedimentary concretion formed by a complex mixture of minerals (silica, calcite, etc.). It is not an officially recognized mineral species, but rather an aggregate of various minerals.
Mohs hardness: Intermediate hardness. Composed of various minerals: on the Mohs hardness scale, chalcedony is 7 and calcite is 3.
Density: 2.5 to 2.7, variable depending on mineral proportion
Origin: Madagascar, United States, Morocco, France, England, New Zealand
Care instructions: use a soft cloth and lukewarm water for cleaning. Handle with care to avoid scratches or shocks, as some minerals like calcite can be sensitive.


























