We discovered two new metamict minerals in the Antsakoa I pegmatite near Berere in
Madagascar. They were recrystallized through heating and investigated with the following …

In these articles, the principal environment will be that of granitic pegmatites, from which
many of the finest mineral specimens and gem materials are obtained. The minerals chosen …

Hawthorne et al feature a spectacular new beryl-group mineral from the Sakavalana
pegmatite, Fianarantsoa Province in Madagascar. Pezzottaite is a new mineral from the …

ABSTRACT A new mineral, nioboheftetjernite, ideally ScNbO 4, was found in the Befanamo
pegmatite, Analamanga, Madagascar. It occurs as anhedral grains and very crude …

Pezzottaite, ideally Cs (Be2Li) Al2Si6O18, is a new gem mineral that is the Cs, Li–rich
member of the beryl group. It was discovered in November 2002 in a granitic pegmatite near …

ABSTRACT Londonite,(Cs, K, Rb) Al4 Be4 (B, Be) 12 O28, is the Cs-dominant analogue of
rhodizite. It occurs with rhodizite at Antandrokomby, a dike of granitic pegmatite in the …

Several crystals and rare associated minerals have been found in a Narssarssuk-like
pegmatite deposit in the Zomba District of Malawi. The finds are discussed.

Abstract Ferrorosemaryite, ideally□ NaFe2+ Fe3+ Al (PO4) 3, is a new mineral species from
the Rubindi pegmatite, Rwanda. It occurs as large idiomorphic grains reaching 3 mm …

Three new species,—jahnsite, segelerite, and robertsite,—occur in moderate abundance as
late stage products in corroded triphylite-heterosite-ferrisicklerite-rockbridgeite masses …

In the rich mineral assemblage found in the pegmatites of Rhodesia and Uganda are
members of the amblygonite-montebrasite series with α 1· 592–1· 615, γ, 1· 612–1· 638, the …