Rosell Minerales

Perovskite is an very unusual species, if we add that crystals are in good condition, damage free, and that they were collected in a locality of close to Madrid, the species becomes even more interesting... In this piece highlights a group of perovskite crystals between toasted honey to yellowish tones, cube-shaped, translucent and brilliant. One of them with a good size for the locality. They are accompanied by aggregates of octahedral magnetite crystals. A rarity. Specimen has been repaired consolidating a fissure of the matrix, not afecting crystals.

Size: 6.9 x 3.8 x 2.4 cm.
Main crystal: 3 x 2 mm.

Col. Jordi Povill (Olesa de M., Barcelona) No. 3673. - Repaired

This specimen of sepiolite comes from what is considered the most important deposit of this mineral in the world.

Size: 5.5 x 4.5 x 3.0 cm.

Ex-col. Gustav Beck

Large crystals of staurolite included in micaceous schist from this classic Spanish area. The formation of metamorphic materials of the Oriental Guadarrama range, with a medium grade regional metamorphism, includes banded shales with almandine, sillimanite, distena and andalusite.

Size: 6.5 x 5 x 3.5 cm.
Main crystal: 42 x 12 mm.
Found in ±1982.

Large crystals of staurolite included in micaceous schist from this classic Spanish area. The formation of metamorphic materials of the Oriental Guadarrama range, with a medium grade regional metamorphism, includes banded shales with almandine, sillimanite, distena and andalusite.

Size: 12.5 x 5.5 x 3.5 cm.
Main crystal: 32 x 12 mm.
Found in ±1982.

A huge size orthoclase crystal, showing defined prism and pinacoidal faces. It present a small repared edge made many years ago by the owner Sr. L. Daunis, a very perfect work. Crystal is embeded in this porphyry granite-adamellite, part of the potent dykes with large phenocrysts of potassium feldspar (orthoclase) of great perfection. A classic Spanish locality for the species.

Size: 10.5 x 9.2 x 7.5 cm.
Main crystal: 4.7 x 2.8 cm.

Excol. Lluís Daunis & Maria Ruscalleda.