• Calcite
  • Calcite
Gallery

Calcite

$3,500.00   €2,958  £2,550.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC11333
The Banana Slide was a richly mineralised fault zone at 400 m depth, extending some 1.6 km to the east of Egremont and could be accessed from several adjacent mines.  This specimen is from Haile Moor mine near Egremont and based solely on the habit, size, colour and lustre of the Calcite crystals, this could be from no where else, a Banana Slide classic!  Interestingly, the Calcite habit gradually changed traversing along Banana Slide, with large nail-head crystals such as these at one end and fine, almost acicular scalenohedral crystals at the opposite end.  The entire fault zone was richly crystallised and miners would work in their spare time extracting the crystals to sell.  This spectacular specimen comprises of approximately ten tightly packed adjacent crystals, all of nail-head habit with trigonal, Mercedes-type flattened pyramidal terminations.  The terminations are of quite transparent colourless Calcite, have vertically orientated fine striations and grade to brick-red prisms coloured by finely disseminated Hematite inclusions. The terminations, viewed with a x5 loupe, contain delicately-structured plumes of a black mineral, most likely manganese.  Amongst the crystals is single deep cavity, seemingly where a crystal should have developed, but obviously did not.  This is a wonderful nail-head Calcite from the evocatively named Banana Slide Fault Zone in West Cumbria.

Details

Dimensions
7.5 × 10.4 × 9.5 cm
Categories
Calcite
Locality
Banana Slide, Haile Moor Mine, Egremont, Cumbria, England, Europe

Minerals on Specimen

Minerals on specimen
Calcite

Related Mineral Specimens

Calcite with Chalcopyrite and Sphalerite
$700
 Karolytaro, Gyongyosoroszi, Heves Co, Hungary, Europe
A pleasing specimen of Calcite with Chalcopyrite, Sphalerite and Pyrite on Quartz from the...
Rhodochrosite with Calcite and Pyrite
$450
 Trepca Complex, Trepca Valley, Kosovska Mitrovica, Kosovo, Europe
Intergrown rounded rhombic crystal clusters of Rhodochrosite form the major areas on the display...
Calcite
$4,500
 Ametista do Sul, Alto Uruguai region, Rio Grande do Sul, Brazil
Beautiful butterfly twinned crystals of Calcite are delightfully scattered over a sparkling creamy...
Cobaltoan Calcite
$1,500
 Bou Azzer, Tazenakht, Ouarzazate Province, Souss-Massa-Draa Region, Morocco, Africa
Beautiful pink specimen of Cobaltoan Calcite from the Bou Azzer District, Morocco. Excellent...