Stone(s): Septarian
Color: yellow
Dimensions: Height: approx. 120 mm – Diameter: approx. 70 mm
Approximate weight: 847 g
Stone size: polished egg
Photos are contractual.
Classification: no classification. Septarian 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 at 3.
Density: 2.5 to 2.7, variable depending on the proportion of minerals
Origin: Utah, 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.

















