Raw septaria egg 1.55 kg
$ 96.36
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Stone(s): Raw septaria Color: black Dimensions: H 140 mm – Diameter: approx. 100 mm Approximate weight: 1.55 kg Stone size: polished egg Photos are contractual. Classification: no classification. Septaria is a sediment concretion formed by a complex mix of minerals (silica, calcite, etc.). It isn’t an officially recognized mineral species, but rather an aggregate of various minerals. Mohs hardness: Intermediate hardness. Made up of various minerals: on the Mohs hardness scale, chalcedony is 7 and calcite is 3. Density: 2.5 to 2.7, varies depending on the proportion of minerals Origin: Madagascar, United States, Morocco, France, England, New Zealand Care advice: use a soft cloth and lukewarm water for cleaning. Handle with care to avoid scratches or impacts, as some minerals like calcite can be sensitive.
