Mineral Class 04: Oxides and hydroxides

The oxide mineral class includes those minerals in which the oxide anion (O2) is bonded to one or more metal ions.
The hydroxide bearing minerals are typically included in the oxide class.
The minerals with complex anion groups such as the silicates, sulfates, carbonates and phosphates are classed separately.

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Xikuangshan Sb deposit, Lengshuijiang Co., Hunan, China

Xikuangshan Sb deposit, Lengshuijiang Co., Hunan, China

Stibnite, valentinite and yellow translucent sulfur

Stock: 1

€ 67.50
Red (fluorescent) ruby (corundum) embedded in anyolite.

Red (fluorescent) ruby (corundum) embedded in anyolite.

Muriatata hills, Arusha Region, Tanzania

Stock: 1

€ 95.00
Quartz with smoky phantom growth

Quartz with smoky phantom growth

Huaron Mines, Pasco Department, Peru.

Stock: 1

€ 57.00
Needle quartz with purple-red lepidocrocite

Needle quartz with purple-red lepidocrocite

Peru, Huaron mining complex

Stock: 1

€ 40.00
Light-colored rose quartz crystals

Light-colored rose quartz crystals

Lavra da Ilha, Taquaral, Jequitinhonha River, Minas Gerais, Brazil.

Stock: 1

€ 135.00
Clear quartz crystals with dark green Chlorite

Clear quartz crystals with dark green Chlorite

Zillertal, Austria (Alps)

Stock: 1

€ 260.00
Natural citrine crystal

Natural citrine crystal

Democratic Republic of Congo (Zaïre)

Stock: 1

€ 95.00
Needle quartz crystals

Needle quartz crystals

Cavnic, Romania

Stock: 1

€ 32.00
Polished crystal clear phantom quartz point
€ 26.50
Golden rutile crystals on black hematite

Golden rutile crystals on black hematite

Novo Horizonte, Bahia, Brazil

Stock: 1

€ 67.50
Lustrous black Wolframite

Lustrous black Wolframite

Baia Sprie mine, Baia Sprie, Maramures, Romania.

Stock: 1

€ 83.00