Luxullianite
Luxullianite (also known as luxulyanite or luxulianite) is a rare type of porphyritic
alkali feldspar, brown mica, and cassiterite
.
The name originates from the village of Luxulyan in Cornwall, United Kingdom, where this type of granite is found. An example may be seen in the Duke of Wellington's tomb in St Paul's Cathedral in London.[1]
References
- ^ Lobley, J. Logan (1892). "Building stones, their structure and origin". Stone: an Illustrated Magazine. V (June–November): 46. Retrieved 1 January 2023.