Varlamoffite as a pseudomorph after Stannite
Cligga Mine, Perranporth, Cornwall, UK
 
Granular yellow-brown Varlamoffite with Quartz inclusions. Very good specimen of this rare tin hydroxide, which has replaced here centimetre-thick stringers of tin sulphide („Zinnkies“). A classic secondary mineral from the Cliff lode in the northern part of the Cligga Mine, the richest and best Varlamoffite locality in Cornwall (cf. extraLapis No.57, 2019, p. 21). Found in June 2019