Properties & Information

Silver Sheen Obsidian

Silver Sheen Obsidian

Silver Sheen ObsidianSCIENCE / MINERALOGYSilver Sheen Obsidian is a trade variety of obsidian, a natural silica-rich volcanic glass. Obsidian is amorphous rather than crystalline and commonly shows conchoidal fracture, flow...

Silver Sheen Obsidian

Silver Sheen ObsidianSCIENCE / MINERALOGYSilver Sheen Obsidian is a trade variety of obsidian, a natural silica-rich volcanic glass. Obsidian is amorphous rather than crystalline and commonly shows conchoidal fracture, flow...

Silver Lace Agate

Silver Lace Agate

Silver Lace AgateSCIENCE / MINERALOGYSilver Lace Agate is a trade or locality variety of agate/chalcedony, composed mainly of microcrystalline quartz (SiO₂). Its distinctive color, banding, plumes, or inclusions come from...

Silver Lace Agate

Silver Lace AgateSCIENCE / MINERALOGYSilver Lace Agate is a trade or locality variety of agate/chalcedony, composed mainly of microcrystalline quartz (SiO₂). Its distinctive color, banding, plumes, or inclusions come from...

Silk Fluorite

Silk Fluorite

Silk FluoriteSCIENCE / MINERALOGYSilk Fluorite is a color or texture variety of fluorite, calcium fluoride (CaF₂). Fluorite crystallizes in the cubic system, has perfect octahedral cleavage, and defines Mohs hardness...

Silk Fluorite

Silk FluoriteSCIENCE / MINERALOGYSilk Fluorite is a color or texture variety of fluorite, calcium fluoride (CaF₂). Fluorite crystallizes in the cubic system, has perfect octahedral cleavage, and defines Mohs hardness...

Siderite

Siderite

SideriteSCIENCE / MINERALOGYSiderite is iron carbonate, FeCO₃, crystallizing in the trigonal system. It forms tan, brown, yellow-brown, gray, or greenish rhombohedral and curved crystals.GEOLOGY & FORMATIONIt forms in hydrothermal veins,...

Siderite

SideriteSCIENCE / MINERALOGYSiderite is iron carbonate, FeCO₃, crystallizing in the trigonal system. It forms tan, brown, yellow-brown, gray, or greenish rhombohedral and curved crystals.GEOLOGY & FORMATIONIt forms in hydrothermal veins,...

Shungite

Shungite

ShungiteSCIENCE / MINERALOGYShungite is a carbon-rich Precambrian rock from Karelia, Russia, containing noncrystalline carbon dispersed through silicate and other mineral components. It ranges from dull black common shungite to lustrous...

Shungite

ShungiteSCIENCE / MINERALOGYShungite is a carbon-rich Precambrian rock from Karelia, Russia, containing noncrystalline carbon dispersed through silicate and other mineral components. It ranges from dull black common shungite to lustrous...

Shiva Lingam

Shiva Lingam

Shiva LingamSCIENCE / MINERALOGYShiva Lingam is a natural mineral, rock, fossil, or trade material recognized in the crystal and lapidary market. Its exact mineralogical identity is best described from verified...

Shiva Lingam

Shiva LingamSCIENCE / MINERALOGYShiva Lingam is a natural mineral, rock, fossil, or trade material recognized in the crystal and lapidary market. Its exact mineralogical identity is best described from verified...