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Native copper from Keweenaw, Michigan, USA, a well known locality for these mineral specimens, the samples are small, 20 mm in size and wiry with no discernible crystal habit. The pieces have tarnished and so are now a black colour with dull lustre, mounted on a polystyrene base within a labelled card tray.
Out of stock
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Native copper mineral specimens from the famous Keweenaw copper deposits of Michigan, USA. The samples are small and exhibit a fascinating wiry crystal habit. They have tarnished, giving them a dull, black colouration with occasional occurrences of green or pale blue oxidisation. The samples are approximately 20 mm in size and come glued on a polystyrene base inserted in to a specimen tray. Ideal for the more serious collector who is after small, yet decent quality additions to their collections. The samples name and locality are also typed on to the back of the tray.
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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.
Out of stock
Natural copper mineral specimens collected from the Keweenaw copper deposits of Michigan, USA. Seeing copper in its natural state like this is of particular interest to children; a useful teaching aid demonstrating how some of our most important metals start life. Supplied in a magnification box to enhance the viewing sample
Out of stock
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.
Out of stock
Pyrite mineral specimens collected from Colorado, USA. The minerals stand proudly, mounted (attached with glue) on a polystyrene base within a 1.5″ x 1.5″ card tray, information label attached. Ideal for geologists and collectors.
3 in stock
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.
200 in stock
Specimens of quartz geodes from Chihuahua, Mexico. These geodes are often referred to as La Choya geodes or coconut geodes, the quartz crystals within them may be clear or smoky and are often accompanied by brown calcite and agate. These samples are supplied in a white card tray with an information label, they are provided as a geode pair or as smaller geode fragments.
Topaz crystals from the famous Topaz mountain, Utah, USA. these mineral specimens exhibit both yellow crystal along with bixbite, which is grey. They are small in size, only around 1 cm in length and so come supplied in a magnifier box with a data label for easier viewing. A well known semi precious gemstone due to its facetting and variety of colour, many will have seen topaz in jewellery at some point in their lives.
Sulphur mineral specimens from the famous Baja locality in California, USA. Pearly lustre crystal beds on a massive matrix, these mineral specimens vary between 20 to 30 mm in size and have a vibrant yellow colouration. Ideal for serious mineral collectors, they are mounted on a polystyrene base and put into a card tray with the details typed on. Suitable to collectors and enthusiasts, especially of those interested in American samples.
Out of stock
Sulphur mineral specimens (also spelt sulfur) from Nevada, USA, these fine crystalline masses give off a pungent odour as expected of this mineral and have a pale yellow colouration to them. They formed in volcanic zones and are excellent for the more serious collector. Available in a number of sizes and supplied in a card tray with a data label
4 in stock
Native copper specimens which have been smelted and slightly polished making them smooth to touch and enhancing their metallic lustre, these copper specimens were obtained from the smelting process of copper from the famous Keweenaw native copper ore deposits of Michigan. U.S.A.
Out of stock
These specimens of Mariposite originate in Mariposa County, California USA. An ore of gold, this mineral is a chromium-rich variant of muscovite mica, giving it a distinct turquoise colour. Ideal for serious mineral collectors, they are mounted on a polystyrene base and put into a card tray with the details typed on. Suitable to collectors and enthusiasts, especially of those interested in American samples.
Out of stock
Cut ulexite mineral specimens from California, USA. A mineral similar to gypsum, ulexite is able to transmit light through its long axis, meaning if placed above an image or text, will transmit it to the samples surface as an image. Hence the name TV rock, excellent for children, these pieces are available in several sizes and will come supplied in a card tray with an information label.
Out of stock
Specimens of blue calcite from Mexico. These samples of blue calcite vary in colour from the typical light blue to a pale almost white, they are supplied in a card tray with an information label. These specimens are perfect for mineral collectors and ideal as a teaching aid.
Out of stock
Bornite mineral specimen from Sonora, Mexico; mounted on a polystyrene base. The minerals stand proudly, mounted (attached with glue) on a polystyrene base within a 1.5″ x 1.5″ card tray, information label attached. Ideal for geologists, collectors or simply those interested in mineralogy looking for an attractive display piece.
Out of stock
Specimens of purple to clear fluorite from Mexico. These samples are supplied in a white card tray with an information label and would be an excellent addition to any mineral collection.
Out of stock
Fluorite crystal from Socorro County, New Mexico, USA. Specimens exhibit a vitreous lustre with cubic crystal habit and a pale green colour. Fluorite’s use as an index mineral in Moh’s hardness scale make these samples are ideal for both collectors and novices alike.
1 in 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
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