Merelaniite, Stilbite, Graphite, AlabanditeMerelaniite, Stilbite, Graphite, Alabandite
Whiskers of merelaniite, some showing an oscillatory variation in diameter, partly overgrown by stilbite crystals associated with small but very sharp graphite crystals. This was in a crevice in an 11-cm long crystal group of alabandite, and is part of the holotpe specimen of merelaniite. Locality: Merelani Hills, Lelatema Mts, Simanjiro District, Manyara Region, Tanzania; []
Copyright: John A. Jaszczak