Ludlamite
(Fe2+,Mg,Mn)3(PO4)2・4H2O Wheal Jane, Kea, Cornwall, United Kingdom
[type locality]
ラドラム鉄鉱の原産地(type locality)標本。白い結晶は水晶、黒く見えるのは閃亜鉛鉱です。 A quartz matrix is surfaced with a face of needle quartz. Dispersed across
are pale green prismatic crystals of ludlamite (to 6mm) and little crystals
of sphalerite.