Rough Crystals & Minerals
Pyrite Sphalerite Quartz 2" (Peru)
Long, clear Quartz crystals spiking up off the surface of crystallized Sphalerite with Pyrite.
£
20.00
Aqua Aura Druze 2"
Quartz Crystals that have been coated in metalic vapour by a process called Vapour deposition.
Quartz is a form of silica and is the most common mineral the earths crust. As such Quartz and Quartz crystals can be found in large quantities the world over. Regardless of this fact very clear and large Quartz crystals are highly prised by collectors.
Quartz is a form of silica and is the most common mineral the earths crust. As such Quartz and Quartz crystals can be found in large quantities the world over. Regardless of this fact very clear and large Quartz crystals are highly prised by collectors.
£
16.00
Fluorite with Pyrite Cubes 2" (Morocco)
Fluorite (also called fluor-spar) is a mineral composed of calcium fluoride. As well as ornamental uses Fluorite is used in the making of hydrofltoric acid and as a flux in the manufacture of steel. The name fluorite is derived from the Latin fluo meaning flow in reference to its use as a flux. Beautiful to its use as a flux.
£
8.00
Vanadinite 2" (Morocco)
Vanadinite is a mineral belonging to the apatite group of phosphates. It is a dense brittle mineral usually found in the form of bright red hexagonal crystals but can also be orange-red red-brown brown yellow grey or colourless.
£
12.00
Chrysoprase Kosova 2"
Chrysoprase (also Chrysophrase) is a gemstone variety of chalcedony (fibrous form of quartz) that contains small quantities of nickel. Its colour is normally apple-green but varies to deep green. Due to its comparative scarcity and pleasing green colour Chrysoprase is one of the most prised varieties of quartz.
£
10.00
Rubellite Crystal on Quartz 2" (Brazil)
Rubellite is a red reddish-purple or pink variety of elbaite which is in the tourmaline group of minerals. The name rubellite is derived from the Latin name rebellus or reddish and is one of the oldest varietal names for a colour of tourmaline.
£
12.50
Aquamarine A Grade with Rubellite 2" (Brazil)
Aquamarine named from the Latin word meaning water of the sea is a gemstone-quality transparent variety of beryl. It has a delicate blue or blue-green colour suggestive of the tint of sea-water. A very popular gemstone Aquamarine occurs primarily in South America and the Asian sub-continent.
Rubellite is a red reddish-purple or pink variety of elbaite which is in the tourmaline group of minerals. The name rubellite is derived from the Latin name rebellus or reddish and is one of the oldest varietal names for a colour of tourmaline.
£
18.00
Bismuth 2" 50g
Bismuth is a brittle metal with a white silver-pink hue often occurring in its native form with an iridescent oxide tarnish showing many colours from yellow to blue. The spiral stair stepped structure of a bismuth crystal is the result of a higher growth rate around the outside edges than on the inside edges. The variations in the thickness of the oxide layer that forms on the surface of the crystal causes different wavelengths of light to interfere upon reflection thus displaying a rainbow of colours.
£
16.00
Aragonite Sputnik 1"
Aragonite has the same chemical composition as Calcite but a totally different form (it is dimorphous). Crystals vary to orangey brown in colour and can take on unusual shapes such as Sputniks . Aragonite commonly comes from morocco and Mexico.
£
5.00
Macedonian White Green Opal 2"
The mineraloid Opal is amorphous hydrated silicon dioxide. Opal contains water in its structure sometimes as much as 20%. Opal ranges from colourless through white milky blue grey red pink yellow green brown and black. About 95% of the World's Opal comes from Sothern Australia though some pink opal is from Peru.
£
8.00
Ruby in Fushsite and Kyanite 2" (India)
Ruby is a red gemstone a variety of the mineral corundum (aluminium oxide) in which the colour is caused mainly by chromium. Its name originates from ruber or rubrum Latin for red. Natural high quality gem Rubies are exceptionally rare. They are most often found in Myanmar Sri Lanka Kenya and Thailand.
£
9.00
Labradorite Top Polished 1"
Labradorite is an iridescent Feldspar mineral first found in Labrador Canada. Valued for its lustrous metallic reflections that are said to resemble a butterfly's wing this play of colour or shiller is aptly know as labradorescence .
£
5.00
Shark Tooth (Large 20-30mm)
Fossils are named from the Latin word fossus which literally means having been dug up . They are the preserved remains or traces of animals plants and other organisms from the remote past. A fossil normally preserves only a portion of the deceased organism usually that portion that was partially mineralised during life such as the bones and teeth of vertebrates or the chitinous exoskeletons of invertebrates.
£
8.50
Solenastrea Bella Coral 2-3" (North Carolina)
Amazing Solenastrea Bella Coral from North Carolina
£
9.50
Black tourmaline 1" (China)
The tourmaline mineral group is chemically one of the most complicated groups of silicate minerals. Tourmaline has a wide variety of colours. Some crystals may consist of several colours for example crystals might be green at one end and pink at the other or green on the outside and pink inside this type is called Watermelon Tourmaline. The most common variety of tourmaline is black schorl first described by Mathesius in 1524. It may account for 95%or more of all tourmaline in nature.
£
5.00
White Quartz Geode 1"
Quartz is a form of silica and is the most common mineral the earths crust. As such Quartz and Quartz crystals can be found in large quantities the world over. Regardless of this fact very clear and large Quartz crystals are highly prised by collectors.
£
5.00
Andean Opal 1"
The mineraloid Opal is amorphous hydrated silicon dioxide. Opal contains water in its structure sometimes as much as 20%. Opal ranges from colourless through white milky blue grey red pink yellow green brown and black. About 95% of the World's Opal comes from Sothern Australia though some pink opal is from Peru.
£
10.00
Cerussite with Galena 1"
Cerussite (also known as lead carbonate or white lead ore) is a mineral consisting of lead carbonate and an important ore of lead. The name is from the Latin cerussa meaning white lead.
£
6.00
Pyrite 1.5"
Pyrite or Iron Pyrites is iron Sulphide also known to many as Fools Gold. In renaissance times hundreds of tons of Pyrite were shipped from the new world in the mistaken belief that it was actually Gold. Ironically small quantities of actual gold are sometimes found in pyrite.
£
5.00
