Corsi Collection of Decorative Stones

view of stone 542

Corsi 542, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 542  
Name and quarry location: Fluorite, from Crich, Derbyshire, England  
Geological description: Hydrothermal vein deposit of colourless/iron-stained fluorite, in places showing zoning with inclusions of pyrite/marcasite. It also contains sparse euhedral crystals of sphalerite.  
Comments: This specimen was given to Corsi by the 6th Duke of Devonshire following the Duke's visit to see Corsi's collection in 1824, and another very similar example from Crich is in the Devonshire collections of Chatsworth House in Derbyshire.  
Further information:

Corsi's classification: Class 2. Fluorspars  
Corsi's text: 134.5 Altro dello stesso luogo [Spato di Darbyshire]... trovato a Chrich  

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