Crystals
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...
Bronzite
Orthopyroxene variety (Mg,Fe)SiO3 Orthorhombic Mohs approximately 5.5–6 Directional bronze schiller Two cleavages near 90° Specific gravity approximately 3.2–3.4 Bronzite: Orthopyroxene, Bronze Schiller, and Directional Light Bronzite is a traditional variety...
Bronzite
Orthopyroxene variety (Mg,Fe)SiO3 Orthorhombic Mohs approximately 5.5–6 Directional bronze schiller Two cleavages near 90° Specific gravity approximately 3.2–3.4 Bronzite: Orthopyroxene, Bronze Schiller, and Directional Light Bronzite is a traditional variety...
Chrysoprase
Nickel-colored chalcedony Microcrystalline SiO2 Ni2+ and nickel-silicate color Mohs approximately 6.5–7 Translucent apple to jade green Laterite and ultramafic settings Waxy to vitreous polish Chrysoprase: Apple-Green Chalcedony Shaped by Nickel,...
Chrysoprase
Nickel-colored chalcedony Microcrystalline SiO2 Ni2+ and nickel-silicate color Mohs approximately 6.5–7 Translucent apple to jade green Laterite and ultramafic settings Waxy to vitreous polish Chrysoprase: Apple-Green Chalcedony Shaped by Nickel,...