Ilmenite, Amphibole Supergroup, Titanite
Tyskerporten, Kragerø, Telemark, Norway
Ilmenite crystals partly pseudomorphed to rutile and titanite (light brownish). The crystals are partly covered by a reddish film of (probably) iron (hydr)oxides. On a matrix of a greenish amphibole (tremolite?). With some minor (white) quartz. Photo & collection: Trond Owe Bergstrøm The photo is published in STEIN 43 (2), p. 5.
© Trond Owe Bergstrøm