Oxides & Hydroxides

The following list includes the most significant minerals which occur in nature as oxides or hydroxides. The various forms of silica (quartz, chalcedony and opal) are also discussed on a separate page. To view the properties of an element, click on its name. 

ANATASE ARSENOLITE BAUXITE BIXBYITE BOLEITE BRAUNITE BROOKITE BRUCITE CASSITERITE CHALCOPHANITE CHROMITE CHRYSOBERYL COLUMBITE CONICHALCITE CORUNDUM CRISTOBALITE CUPRITE DELAFOSSITE DIASPORE ESMERALDITE FRANKLINITE GAHNITE GALAXITE GIBBSITE GOETHITE HAUSMANNITE HEMATITE HERCYNITE HETAEROLITE HOGBOMITE HOLLANDITE HUEBNERITE HYDROHETAEROLITE ILMENTITE LEPIDOCROCITE LIMONITE MAGNETITE MANGANITE MANGANOSITE MARTITE MINIUM MONTROYDITE OCTAHEDRITE OPAL PARAMELACONITE PERICLASE PITCHBLENDE PLATTNERITE PSILOMELANE PYROCHROITE PYROLUSITE QUARTZ RUTILE SENARMONTITE SKEMMATITE SPINEL STIBICONITE TELLURITE TENORITE TRIDYMITE TUNGSTITE TURGITE VALENTINITE VANOXITE WATER ZINCITE

(The database is not intended to be a comprehensive list of all minerals but does contain a substantial number of them and we are constantly adding to it.)
 

Mineral specimens now available (at eBay): Click on an item to view details and, if you wish, bid.

119 EXOTIC RED HAIR PHANTOMS polsihed RARE MINERAL QUARTZ CRYSTAL POINT AU $24.99 End Date: Friday Jul-26-2019 12:21:27 EST Buy It Now for only: AU $24.99 Buy It Now | Add to watch list 78g AQUA BLUE RAW AQUAMARINE rough LARGE CRYSTAL SPECIMEN CHUNK AU $16.99 End Date: Friday Jul-26-2019 12:18:30 EST Buy It Now for only: AU $16.99 Buy It Now | Add to watch list 90g AQUA BLUE RAW AQUAMARINE rough LARGE CRYSTAL SPECIMEN CHUNK AU $18.99 End Date: Friday Jul-26-2019 12:16:53 EST Buy It Now for only: AU $18.99 Buy It Now | Add to watch list 3pc COLORFUL CHALCOPYRITE ORE MINER SPECIMENS 29g AU $8.99 End Date: Friday Jul-26-2019 12:13:50 EST Buy It Now for only: AU $8.99 Buy It Now | Add to watch list 44CT PART TERMINATED WHISKEY HUE TOPAZ raw FACET ROUGH CRYSTAL GEMSTONE LOT AU $11.99 End Date: Friday Jul-26-2019 12:11:34 EST Buy It Now for only: AU $11.99 Buy It Now | Add to watch list 2pc NATURAL WHISKEY HUE RAW TOPAZ rough CRYSTAL GEMSTONE LOT AU $11.99 End Date: Friday Jul-26-2019 12:09:29 EST Buy It Now for only: AU $11.99 Buy It Now | Add to watch list 2pc NATURAL WHISKEY HUE RAW TOPAZ rough CRYSTAL GEMSTONE LOT AU $11.99 End Date: Friday Jul-26-2019 12:08:19 EST Buy It Now for only: AU $11.99 Buy It Now | Add to watch list