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Chalcopyrite mineral specimens from Sulitjelma, Norway, a major copper ore mineral, these pieces exhibit excellent quality chalcopyrite detailing the shiny brassy yellow colouration and metallic lustre expected. These mineral specimens are approximately 70% – 80% chalcopyrite and are available in various sizes and come supplied in card tray with an information label.
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Chalcopyrite is a well known copper iron sulphide mineral and also a major copper ore, it has a brassy yellow colour and a metallic lustre, however, overtime, this lustre can dulls as oxidation takes place. This mineral, like many other ore minerals forms through volcanogenic processes often being deposited as sulfide ore deposits, as such it can often be found in ore veins, although it can form by other processes too. These particular specimens of chalcopyrite come from Sulitjelma, Norway and are approximately 70 – 80 % chalcopyrite. The mineral its self is fairly soft, coming up at a hardness of 3.5 to 4 on the Mohs scale & a green tinged black streak when pulled across a streak plate, these pieces are available in 3 various sizes and will come supplied in a card tray with an information label.
Weight | 600 g |
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Specimen Size | 2" x 2", 3" x 2", 4" x 3" |
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Pyrite mineral specimens from Morocco, low grade but still exhibiting the brassy colouration and metallic lustre, samples are dense and upon close inspection may exhibit cubic crystals. A common mineral, also known as fools gold, it is found all around the world.Available in multiple sizes, they will come supplied in a specimen tray with a label.
Pyrtic crystal cubes from Spain, depicting excellently the cubic crystal form that pyrite forms in. These samples exhibit the brassy colouration and metallic lustre expected from pyrite and are available in two sizes, 1 cm and 2 cm cubes, supplied in a polythene bags with a data label.
Out of stock
Chalcocite is a soft (2.5 – 3 on Moh’s scale) copper sulphide mineral from mexico. The specimens are in a massive form, meaning the crystals are too small to see any crystal habit. However, the specimens still exhibit a metallic lustre. Available in various sizes.
Out of stock
Sphalerite with chalcopyrite mineral specimens from Mexico, the minerals are both highly crystalline and exhibit excellent colouration an eye catching mix of silver and brass with metallic lustres which contrast each other. Available in two sizes only and supplied in a card tray with a label.
Out of stock
Native copper ore mineral specimens from the famous Keweenaw copper deposits of Mitchigan, U.S.A. The specimens have a heavy red-orange metallic specimens with streaks of blue-green oxidation and a wiry crystal habit. Available in a range of sizes.
Chalcopyrite mineral samples from Morocco, exhibiting typical yellow brassy colour with a metallic lustre. Lower grade when compared to our Norwegian stock but also includes occurrences of bornite which is a blue colour. Samples are available in 3 sizes, each supplied in a labelled card tray.
199 in stock
Cobaltoan dolomite from the Kamoto mine in the Democratic Republic of Congo, Africa, well known for it’s striking pink colouration, this variation of the mineral, dolomite is quite rare, with only 5 known localities in the world. Specimens are available in various sizes and come in a card tray with a label. Exhibits excellent crystal beds with vibrant colours on a limestone matrix.
30 in stock
Magnetite lodestone mineral specimens from Mexico, a variation of magnetite and is highly magnetic, the mineral may pick up iron filings, giving it a hairy appearance, specimens are black, have a dull metallic lustre and are dense for their size. Available in small sizes only they will come in a 1.5″ size tray with a label.
4 in stock
Lapis lazuli specimens from Afghanistan, a metamorphic rock which contains high amounts on lazurite, giving the rock a rich blue colour. A well sought after gemstone historically and to the present day, these samples are available in various sizes and come supplied in a card tray with a label or a perspex magnifier box.
Cerussite crystal beds, a well sought after mineral specimen due to the clean, clear crystals and their rarity. The crystals typically have an orthorhombic habit and is found along side the cockscomb mass variation of baryte,making for a dense specimens. We have various sizes in stock and specimens come from Mibladen, Morocco.
Dogtooth calcite and selenite crystals in limestone matrix, these mineral specimens appear to have formed in pockets in limestone, likely by action by water creating hollows, leaving transparent, glass like crystals behind. Collected from Jebel Saghro, Morocco, the samples are available in various sizes and come supplied in a card tray with a label.
Sodalite mineral specimens with a rich royal blue colouration, named due to its sodium content, it is part of a family of minerals which include hauyne, nosean, and lazurite and is a well known ornamental gemstone. Very eye catching and beautiful for colectors of those wanting something striking to show, samples are available in two sizes and come supplied in a card tray with a data label.
Limonite mineral specimens from the famous Cooper Peedy deposits, Australia. These samples exhibit excellent brown colouration, banded with yellow and have a typical earthy texture expected. A major iron ore, these samples may also contain opal. Available in various sizes with a card tray and label.
23 in stock
Smokey quartz mineral specimens collected from Iveland, Norway, these highly crystalline samples are a dark grey colour and may have sharp edges, caution is advised. The colour is due to natural irradiation during the formation process, samples are available in various sizes and come supplied in a card tray with a data label.
These specimens were collected from an old apatite mine in southern Norway. Specimens have a brown coppery colour and are supplied in a 2″x2″ 3″x2″ 4″x3″ card tray with label.
98 in stock
Apophyllites mineral specimens showing excellent quality and detail, clear transparent crystals with trigonal terminations on a bed, these fabulous specimens come from Pune, India.
Magnetite mineral specimens from Arendal, Norway, exhibits a metallic lustre, dense weight and crystalline texture, magnetic, the specimens are black and available in 3 sizes, supplied in a card tray with a data label.
174 in stock
Petalite mineral specimens from Bikita, Zimbabwe. Also known as Castorite, petalite is a well known mineral, it is a major source of lithium and is described as having a perfect monoclinc cleavage. These samples which we supply are a pale pink colour and available in 3 sizes, supplied in a card tray with an information label.
20 in stock
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