Quartz (silicon dioxide, (SiO₂) is one of Earth’s most common and useful minerals. Found in igneous, metamorphic, and sedimentary rocks, it forms clear crystals, milky masses, and colourful varieties like amethyst and citrine. Hard (Mohs 7) and durable, quartz is prized in jewellery, industry, and collectors’ cabinets worldwide. For more information about the mineral quartz, click HERE.


Show:
Sort By:
Quartz

Krupka, Teplice District, Ústí nad Labem Region, Czechia

£39.00
Quartz

Ace of Diamonds Mine, Middleville, Herkimer County, New York, USA

£55.00
Quartz and Calcite

Irhoud Mine, Youssoufia, Marrakesh-Safi, Morocco

£62.00
Quartz

South Caradon Mine, Caradon Hill, St Cleer, Cornwall, England, UK

£85.00
Quartz and Chalcopyrite

Boldut Mine, Cavnic, Maramureș County, Romania

£65.00
Quartz

Greenlaws Mine, Daddry Shield, Stanhope, County Durham, England, UK

£36.00

Buy Quality Mineral Specimens Online - Your trusted Mineral Dealers

CONTACT US

  • 20 Raeburn Way, Sandhurst, GU47 0FH, United Kingdom
  • +44 (0)7545 461 749
  • contact@theassayhouse.com

SOCIAL MEDIA

keyboard_arrow_up