Types de pierresAmazonite
Agates Améthyste Aquamarine Béryl Calcite Chrysocolla Fluorite Grenats Hypersthène Jade Jaspe Océanique Jaspe Paysage Labradorite Lapis Lazuli Larimar Malachite Muscovite Oeil de Tigre Quartz Quartz Rose Rhodocrosite Serpentine Tourmaline Types de produits |
HyperstheneVariety: Silicate-ring structure (Pyroxene)
Hardness: 5-6 Density: 3.40 to 3.50 Composition: (Mg, Fe) SiO3 (magnesium silicate and iron) The hypersthene occurs in dark granular igneous rocks and in some meteorites. Its composition in iron and magnesium varies greatly. Its color is usually black with pearly or dark brownish green.
It is found in the Lac-St-Jean region, Quebec. References |
Produits d'HYPERSTHÈNEBague incrustée d'une pierre d'amazonite.
Disponible en ligne. |