Deep jet black prismatic, superb and well-formed crystal to about 0.75mm well exposed at the tip of the arrow. Excellent antique piece with old inked label.

There are at least 2 micro crystals on this small piece of 1cm matrix. Each is fairly well exposed and distinct as shown in the photos. According to Bollmark et al "Langban", the authoritative book on the locality, Langbanite was discovered in 1878 by Sjogren, but was not completely described until 1887 by Flink. Specimens have been found on the dumps in recent times. Langbanite is a rare Mn-Sb silicate found in only a few places worldwide. It graces the cover of the book "Langban" where you can see the obvious pseudo-hexagonal habit.

A fascinating old borate mineral originally described by Mascagni in 1806, Lardarellite is one of the few minerals named after a person and locality. The locality evidentally was named after the Lardarello family, who were the proprietors of the Tuscan Borax industries in the late 1800's. This specimen is a mass of entangled white fibrous crystals.

Bright orange crusts of Lasalite with yellow Metarossite. Rich, excellent specimen of this new minerals.

Bright orange coverage of rare Lasalite covering two sides of matrix. Excellent, Large, rich specimen of the new mineral Lasalite from its type locality!

Glassy orange micro crystals with yellowish white Metarossite. This is an excellent specimen with good coverage and possibly contains Pascoite.