Intense green paratacamite crystals from a Chilean mine where the species has been well identified. The crystals are prismatic, sharp, lustrous, and transparent. A very good specimen for the species. 96vu

These specimens were acquired and identified by the ed Dr. Joan Viñals (1951-2013), who brought them back from a trip to Chile in the early 2000s. We can see radial aggregates of parasymplesite, Fe²⁺₃(AsO₄)₂·8H₂O, which, according to the label, are intensely lustrous and blue-green in color. They are most likely accompanied by symplesite. A representative specimen from the E. Nicolau collection (Barcelona).

Reserved

These specimens were acquired and identified by the ed Dr. Joan Viñals (1951-2013), who brought them back from a trip to Chile in the early 2000s. We can see radial aggregates of parasymplesite, Fe²⁺₃(AsO₄)₂·8H₂O, which, according to the label, are intensely lustrous and blue-green in color. They are most likely accompanied by symplesite. A representative specimen from the E. Nicolau collection (Barcelona).

Reserved

Leightonite is a rare copper sulfate with calcium and potassium, K₂Ca₂Cu(SO₄)₄·2H₂O, formed in arid climates, as is the case with this specimen from the type locality of Chuquicamata mine in Chile. This specimen shows various greenish areas of this mineral. The specimen was collected by mineral dealer G. Farber in 1988, and later acquired from David Shannon by Catalan collector E. Nicolau.

Reserved

Rich clusters of sharp schwartzembergite orange lenticular crystals. It is a very rare lead cloroiodate, Pb₅H₂(IO₂)O₄Cl₃. Under magnification we can see some percylite bluish aggregates. It is one of the specimens those ed Dr. Joan Viñals (1951-2013) brought and studied from his trip to Chile in beginning of 2000's. This specimen comes from the E. Nicolau collection (Barcelona).

Reserved

Tamarugite is a rare sodium aluminium sulphate with the formula NaAl(SO₄)₂·6H₂O, which usually appears as white crusts made up of tiny crystals. In this specimen it is accompanied by kröhnkite, another sodium sulphate but this one with copper Na₂Cu(SO₄)₂·2H₂O, in the form of blue-green, translucent elongated crystals. Both rare species!
NOTE: These specimens are natural, formed in a mine, and have nothing to do with those from mine water rafts that were sold years ago at exorbitant prices.

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Tamarugite is a rare sodium aluminium sulphate with the formula NaAl(SO₄)₂·6H₂O, which usually appears as white crusts made up of tiny crystals. In this specimen it is accompanied by kröhnkite, another sodium sulphate but this one with copper Na₂Cu(SO₄)₂·2H₂O, in the form of bluish, transparent and brilliant crystals. Rare species!
NOTE: These specimens are natural, formed in a mine, and have nothing to do with those from mine water rafts that were sold years ago at exorbitant prices.

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A very rich specimen in arsenolamprite, a polymorph of arsenic. As a brilliant vein, grey in colour and with a metallic lustre, formed by lamellar crystals. It is surrounded by very dark grey arsenic. A rare species.

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Acute, yellow to orange, transparent, dipyramidal powellite crystals. Accompanied by molybdenite in the matrix. Very fluorescent under UV short wave, with yellow tones.

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This specimen was labelled as Directorio 8 mine, Tocopilla, by Dr. Joan Viñals (1951-2013) but in this mindat locality, clinoatacamite is not referenced. In this specimen we can observe several defined lenticular clinoatacamite green crystals, with transparence and brilliance, accompanied by brilliant gypsum and bluish lavendulan aggregates. Lavendulan is described in Directorio 8 mine.

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Acute, yellow to orange, transparent, dipyramidal powellite crystals. Accompanied by molybdenite in the matrix. Very fluorescent under UV short wave, with yellow tones.

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Drusy crystals of yellow-green (var. cuprian) powellite. Good sized crystals and with rounded faces. Fluoresces bright yellow under SW-UV light. This mine is the Type Locality for szenicsite.

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Very rich druse of pseudomalachite crystals of intense green color, forming defined, translucent prismatic tabular crystals. Specimens of this species in this mine are rare. The piece belonged to the E. Laskowski collection (Tucson, USA), with the seller's label. Very interesting specimen.

A very rich specimen of lammerite aggregates, green in color, in several geodes we can observe crystals of this rare copper arsenate. It is accompanied by groups of blue lemanskiite crystals (previously identified as lavendulana).

A very good-sized specimen of atacamite formed by numerous radial aggregates of tabular crystals, of intense green colour and transparence, which are disposed on a matrix with chrysocolla and malachite. This specimen has both sides worthy of a display case. It is accompanied by the handwritten label of Joan Viñals.

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Rich group of orange lenticular crystals of schwartzembergite, analyzed by SEM-EDS, accompanied by seeligerite, of a light yellow color. Both are rare lead cloroiodates. It is one of the several specimens those ed Dr. Joan Viñals (1951-2013) brought and studied from his trip to Chile in first years of 2000's. With the E. Kucera (Barcelona) label.

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Very rich group of sharp chalcocite crystals, some isolated and other interpenetrated, tabular and with very clear twinned pseudohexagonal forms. Intense metallic luster, gray color. They stand out on a matrix of bright calcite and small tennantite crystals. The specimens of this locality are very rare. Novelty in Sainte-Marie-aux-Mines 2017. The Mantos Cobrizos mine is a type of "mantle" deposit. This is a small Cu deposit, located in the mining district of Los Cóndores, close to Paipote, Copiapó. So far the production has been made a small scale.

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Sky blue ammeneite occurring as minute crystals on and in halite with green atacamite. From the type locality. This is a fairly rare copper halide and is the first mineral known to contain ammonia radical cation (·NH3) groups.

Molybdenite specimens from Inca del Oro are very difficult to find in the market and more with defined crystals. This sample shows a very well defined, bright and well-disposed hexagonal crystal of molybdenite on the matrix. A unique opportunity to include to your collection a very representative and fine specimen for the species. It belongs from the former J. Astor collection (Barcelona). The locality of Inca del Oro is located between the Chilean provinces of Copiapó and Chañaral.

Very rich linarite specimen of this classic Chilean locality. With crystals of good size, defined and transparent, intense color and good size. Analyzed.

Group of sharp chalcocite crystals, some isolated and other interpenetrated, tabular and with very clear twinned pseudohexagonal forms. Intense metallic luster, gray color. They stand out on a matrix of bright calcite and minor tennantite. The specimens of this locality are very rare. Novelty in Sainte-Marie-aux-Mines 2017. The Mantos Cobrizos mine is a type of "mantle" deposit. This is a small Cu deposit, located in the mining district of Los Cóndores, close to Paipote, Copiapó. So far the production has been made a small scale.

More than excellent group of sharp chalcocite crystals, some isolated and other interpenetrated, tabular and with very clear twinned pseudohexagonal forms. Intense metallic luster, gray color. They stand out on a matrix of bright calcite and small tennantite crystals. The specimens of this locality are very rare. Novelty in Sainte-Marie-aux-Mines 2017. The Mantos Cobrizos mine is a type of "mantle" deposit. This is a small Cu deposit, located in the mining district of Los Cóndores, close to Paipote, Copiapó. So far the production has been made a small scale.

Rich specimen formed by several groups of linarite prismatic crystals, some isolated and doublye terminated, others forming aesthetic aggregates in rosette. With an intense blue color, very characteristic. They are accompanied by numerous prismatic aggregates of brochantite crystals, of intense green color, together with globular malachite. Very aesthetic and amazing under magnifying glass.

Rich group of prismatic crystals of linarite, which form brilliant rosette aggregates with an intense blue color, very characteristic. They are accompanied by several globular aggregates of malachite, with a light green tone, together with groups of very brilliant, transparent and prismatic crystals of brochantite. Very aesthetic specimen with a good quality for this species.