Description
Number: 237m.
Name: Kaolin ps Orthoclase.
Origin: Clay pits St Austell Cornwall .UK.
Size: 40 x 25 x 8 mm.
Grouping: Silicate.
Comments: This quarry was open when pipe clay was a major industry. Some beautiful crystals of the mineral Orthoclase were mined from this site. Baveno twins psuedomorphed by Kaolin were commonly found there.
