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SIDERITE
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(SOLD)
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Boswedden Mine, St. Just, Cornwall.
A small but very fine specimen of crystalline siderite on quartz matrix. The siderite is in the form of sharp brown to red prismatic crystals to 2.5 mm.
Size 3.2 x 3 x 2 cm
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CHALCOPYRITE ON CALCITE
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1 Available!
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Greystone Quarry, Lezant, Cornwall.
A large calcite crystal with a pink hue dusted with micro crystalline chalcopyrite with a single 8mm crystal sitting on the termination.
A lovely specimen, without damage.
Size 5 x 2.8 x 1.5 cm
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TILE ORE
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1 Available!
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Tolcarne Mine, Gwennap, Cornwall.
A matrix of pale granite with chrysocolla cut through witha thin vein of chalcocite with cuprite on ether side known as tile ore.
Collected from the tips in 1990
Size 8 x 7 x 5 cm
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DATOLITE
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(SOLD)
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Parc Bean Cove, The Lizard, Cornwall.
Bright undamaged datolite crystals to 3.5mm in size sitting on a layer of microcrystalline calcite on gabbro matrix.
This specimen was collected several years ago from the cliff exposure which has now covered by a cliff fall.
A rare locality specimen.
Size 7 x 4 x 3 cm
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CASSITERITE var wood tin
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1 Available!
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Garth Mine, Buryas Bridge, Paul, Penzance Cornwall.
A pegmatite matrix of pink feldspar and quartz crystals which are surrounded by jet black wood tin.
Nice example for the locality.
Size 5.5 x 4 x 2cm
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SCORODITE WITH PHARMACOSIDERITE
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1 Available!
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Bawdens Shaft, Wheal Gorland, St. Day, Cornwall.
Rich blue crystalline scorodite with yellow microcrystalline pharmacosiderite.
Nice contrast of colours.
Size 5 x 6 x 3 cm
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ERYTHRITE
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1 Available!
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Penberthy Croft mine, St. Hilary, Cornwall.
This specimen which was collected on the lower shaft dump in the late 1980's displays pink micro crystalline erythrite on chlorite with dolomite and minor chalcopyrite.
A rare locality specimen.
Size 6.5 x 4 x 3.5 cm
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APATITE
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(SOLD)
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Gunheath Clay Quarry, St. Austel, Cornwall.
A tourmaline, quartz and feldspar matrix with mauve apatite crystals with white terminations to 3.5mm.
Ex MJ Spencer collection.
Size 6 x 5.5 x 3.5 cm
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GOETHITE ON QUARTZ
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(SOLD)
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Wheal Owles, St. Just, Cornwall.
A large deep cavity in jasper matrix lined with quartz crystals and tiny spherules of fibrous goethite 'better seen with a lens'.
Size 5 x 5 x 4 cm
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CASSITERITE 'alluvial'
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1 Available!
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Buryas Bridge, Paul, Near Penzance, Cornwall.
Part of a water worn quartz pebble rich in black coarsely crystalline cassiterite from the alluvial plain south of Buryas Bridge.
Size 6 x 5 x 3 cm
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