Stone(s): Septaria
Color: yellow
Dimensions: 2 sizes to choose from, approx. 5cm x 5cm or approx. 4cm x 3-4cm
Approximate weight: 40 to 180g depending on the size chosen
Stone cut: polished pebble
Photos are non-contractual.
Classification: no classification. Septaria is a sediment 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 at 7 and calcite is at 3.
Density: 2.5 to 2.7, variable depending on the proportion of minerals
Origin: Madagascar, USA
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.














