The Core of Tucson Show Virtual 2021

TC150EV

Group of doubly terminated scepter crystals of Quartz (amethyst variety), one of them clearly dominant, with well-defined faces and edges, translucent and with an intense and deep color, denser at the crystal ends. It is becoming less and less common to find specimens from this locality, where work was done for only a very short time.

Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province Argentina (01-06/2002)

Specimen size: 7 x 4.2 x 3 cm

Main crystal size: 6.7 x 3.4 cm

TC540MX

Group of Pearceite crystals (polytype T2ac) on matrix, very sharp and lustrous, with a pseudohexagonal contour, associated with well-defined Proustite and Calcite crystals.

Uchucchacua Mine, Oyón Province, Lima Department Peru

Specimen size: 8.8 x 4.7 x 2.3 cm

TC230TK

Group of equidimensional Gold crystals, very shiny, on a Quartz matrix with microcrystalline Pyrite. The specimen comes from a mining area of Colombia that is very little known so far.

La Reina de Oro concession, El Volcán, Municipio Vetas, Soto Province, Santander Department Colombia

Specimen size: 3.4 x 2.5 x 2.8 cm

Main crystal size: 0.5 x 0.3 cm

TC120MT

Brilliant Azurite crystal with a very vivid color and a habit between tabular and short prismatic, with polycrystalline growths on the faces.

Touissit, Touissit District, Jerada Province, Oriental Region Morocco

Specimen size: 2.8 x 2.6 x 1.7 cm

TC260ED

Twinned crystal of Sphalerite (variety marmatite) on matrix with very well defined faces and edges. It occurs with Pyrite crystals with a deformed cubic habit and with other Pyrites that are pseudomorphs after hexagonal Pyrrhotite crystals.

Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2012)

Specimen size: 9.1 x 7.3 x 7.4 cm

Main crystal size: 4.4 x 3.4 cm

TC1100TP

Large group of Quartz crystals (smoky variety), one of them clearly dominant, with very visible twists and parallel gwindel-like growths, with good luster and a deep color and good transparency.

Aiguille de l'Eboulement, Les Petites Jorasses, Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes France (2015)

Specimen size: 20.7 x 11.4 x 10.6 cm

Main crystal size: 17.4 x 8.1 cm

TC150MH

Lustrous yellowish green crystals of Pyromorphite with a barrel-shaped habit, on a Quartz matrix, with recrystallizations of light yellow-brown Mimetite. It comes from a classic French locality that has been reopened for specimen production.

La Vidale Mine area, Asprières, Saint-Martin de Bouillac, Aveyron, Occitanie France (2008)

Specimen size: 5.3 x 4.2 x 4.5 cm

Main crystal size: 0.4 x 0.4 cm