Chiastolite slice showing cross-shaped carbonaceous inclusions, from China
Prices from £4.50
Chrysoprase, an apple green variety of chalcedony, from Western Australia.
Prices from £6.50
Crystals of deep red cinnabar on a bed of white dolomite, from Hunan in China.
Prices from £19.50
Conichalcite, a bright green copper arsenate from Mexico.
Prices from £16.50
Optical calcite or 'Iceland spar' from Nuevo Leon in Mexico.
Prices from £2.00
Galena, lead sulphide, from Reynolds County in Missouri.
Prices from £9.00
Gold nugget in magnifying box, from Fairbanks, Alaska.
Prices from £8.50
A green variety of Heulandite, a zeolite mineral, from Nasik, India.
Prices from £10.00
Kunzite is a pink variety of spodumene. These pieces are tumbled and from California.
Prices from £5.00
Labradorite with one polished surface, from Maniry in Madagascar.
Prices from £14.00
Larimar tumblestone from Barahona in the Dominican Republic.
Prices from £2.50
Mookaite, a silicified radiolarian siltstone from Carnarvon, Western Australia.
Prices from £7.50
Magnesite with nickel, from Yerilla in Western Australia.
Prices from £7.00
Seraphinite tumblestone from Lake Baikal in Russia.
Prices from £6.50
Tiger's eye slab with one polished surface, from South Africa.
Prices from £25.00
Vesuvianite crystals on matrix, from Sierra de las Cruces in Coahuila, Mexico.
Prices from £16.50
Zebra rock from Kununurra in Western Australia. A distinctive banded stone around 600 million years old.
Prices from £4.50
