Crystals
Chrysantemum
Composite ornamental rock Dark sedimentary matrix Calcite or aragonite: CaCO3 Celestine: SrSO4 Radial crystal aggregates Not a fossil flower Component-dependent hardness Chrysanthemum Stone: Mineral Flowers Written Through Dark Rock Chrysanthemum...
Chrysantemum
Composite ornamental rock Dark sedimentary matrix Calcite or aragonite: CaCO3 Celestine: SrSO4 Radial crystal aggregates Not a fossil flower Component-dependent hardness Chrysanthemum Stone: Mineral Flowers Written Through Dark Rock Chrysanthemum...
Amethyst
Purple variety of quartz SiO2 Trigonal crystal system Mohs 7 Iron-related color centers and irradiation Color-zoned points, clusters, geodes, and gems Amethyst: Violet Quartz, Color-Zoned Crystals, and the Quiet Architecture...
Amethyst
Purple variety of quartz SiO2 Trigonal crystal system Mohs 7 Iron-related color centers and irradiation Color-zoned points, clusters, geodes, and gems Amethyst: Violet Quartz, Color-Zoned Crystals, and the Quiet Architecture...
Chrysocolla
Variable hydrated copper silicate material Cyan, teal, and blue-green Oxidized copper deposits Usually massive or botryoidal Mohs approximately 2–4 when porous Up to quartz hardness when silica-rich Gem silica association...
Chrysocolla
Variable hydrated copper silicate material Cyan, teal, and blue-green Oxidized copper deposits Usually massive or botryoidal Mohs approximately 2–4 when porous Up to quartz hardness when silica-rich Gem silica association...
Chiastolite
Andalusite variety Al2SiO5 Orthorhombic Mohs approximately 6.5–7.5 Carbonaceous cross inclusions Low-pressure metamorphic indicator Pleochroic host mineral Chiastolite: Andalusite with a Cross Written Through Its Growth Chiastolite is an inclusion-rich variety...
Chiastolite
Andalusite variety Al2SiO5 Orthorhombic Mohs approximately 6.5–7.5 Carbonaceous cross inclusions Low-pressure metamorphic indicator Pleochroic host mineral Chiastolite: Andalusite with a Cross Written Through Its Growth Chiastolite is an inclusion-rich variety...
Chalcopyrite
↑ Į viršų Asmeninė taikos esė · Asmeninis dvasinis apmąstymas Po tuo pačiu dangumi Užrašai iš lietuviškos širdies apie šalis, vardus, atmintį, ilgesį ir mažas savęs dalis, kurias, atrodo, randu...
Chalcopyrite
↑ Į viršų Asmeninė taikos esė · Asmeninis dvasinis apmąstymas Po tuo pačiu dangumi Užrašai iš lietuviškos širdies apie šalis, vardus, atmintį, ilgesį ir mažas savęs dalis, kurias, atrodo, randu...
Brachiopoda
Phylum Brachiopoda Marine lophophorates Cambrian to present Dorsal and ventral valves Filter-feeding lophophore Calcitic or organophosphatic shells Roughly 400 living species Brachiopods: Lamp Shells, Paleozoic Seafloors, and a Half-Billion-Year Design...
Brachiopoda
Phylum Brachiopoda Marine lophophorates Cambrian to present Dorsal and ventral valves Filter-feeding lophophore Calcitic or organophosphatic shells Roughly 400 living species Brachiopods: Lamp Shells, Paleozoic Seafloors, and a Half-Billion-Year Design...