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Malachite Druse of very well defined primary Malachite crystals that are rich with polycrystalline growths that are bright and have a very deep color. We note that, curiously, the Congo is not well known for its primary Malachite specimens.
The sample is from the A.J. & S. Koster collections and, previously, it was in the Gilbert Gauthier collection. We will send the labels of the two collections to the buyer.
Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba) Congo DR (Zaire)
Specimen size: 7 × 4.6 × 3.2 cm = 2.76” × 1.81” × 1.26”
Price: €680 / US$761 / JPY82040 / AUD$1110

TR50V2: Manganese oxides after Helvine with Spessartine

Manganese oxides after tetrahedral crystals of Helvine. On a matrix with small crystals of Spessartine that also partially coat the former Helvine. These samples were initially described as the species “Helvine” but later they were confirmed as pseudomorphous after Helvine.
Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian Province China (2005)
Specimen size: 5.7 × 4.3 × 2.4 cm = 2.24” × 1.69” × 0.94”

Main crystal size: 3.6 × 2.1 cm = 1.42” × 0.83”
Price: €480 / US$537 / JPY57910 / AUD$780

EG67AL0: Manganite

Group of crystals, one of them clearly dominant, with sharp faces and edges and fine parallel growths. An excellent German classic of great quality with an outstanding main crystal.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen Germany
Specimen size: 5.7 × 4.1 × 3.4 cm = 2.24” × 1.61” × 1.34”
Price: €2300 / US$2575 / JPY277510 / AUD$3750

ST86AJ5: Marcasite with Calcite-Dolomite and Chalcopyrite

Very sharp “cockscomb-like” aggregates of Marcasite crystals that are very bright and on a matrix of massive Chalcopyrite with white growths of Calcite-Dolomite crystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 11.2 × 7.8 × 3.6 cm = 4.41” × 3.07” × 1.42”

Main crystal size: 1.2 × 0.8 cm = 0.47” × 0.31”
Price: €180 / US$201 / JPY21710 / AUD$294

TA57AH7: Marcasite with Pyrite and Calcite-Dolomite

Very sharp isolated Marcasite aggregates with the typical “cockscomb” shape. They have very well defined faces and edges and are implanted on a polycrystalline Fluorite growth with Siderite.
That sample from the Alain Martaud collection came from François Lietard (Minerive) and we will send both labels to the buyer.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
Specimen size: 7.4 × 6.3 × 2.9 cm = 2.91” × 2.48” × 1.14”
Price: €230 / US$257 / JPY27750 / AUD$370

EX96AI7: Marcasite with Quartz

Very aerial rosette growths of very sharp and strongly flattened Marcasite crystals with extreme curving, intensely bright and on a Quartz matrix.
Bou Nahas Mine, Oumjrane mining area, Alnif, Tinghir Province, Drâa-Tafilalet Region Morocco (04/2018)
Specimen size: 7 × 6.8 × 4.3 cm = 2.76” × 2.68” × 1.69”
Price: €190 / US$212 / JPY22920 / AUD$310

MF12R9: Mesolite with Heulandite-Ca and Laumontite

Slightly globular (so called "mushroom") growths of acicular crystals of Mesolite on a matrix of sharp Heulandite-Ca crystals and white aggregates of Laumontite.
Kannad, Aurangabad District, Maharashtra India (08/2009)
Specimen size: 11.7 × 9.6 × 4.2 cm = 4.61” × 3.78” × 1.65”
Price: €70 / US$78 / JPY8440 / AUD$110

1M63: Mesolite, Heulandite-Ca, Laumontite

Slightly globular (so called "mushroom") growths of acicular Mesolite crystals on a matrix of sharp Heulandite-Ca crystals and white Laumontite crystals.
Kannad, Aurangabad District, Maharashtra India (08/2009)
Specimen size: 13.0 × 5.7 × 4.7 cm = 5.12” × 2.24” × 1.85”
Price: €85 / US$95 / JPY10250 / AUD$130

TD49AE9: Miargyrite

Single crystal, on a rocky matrix, of this rare silver sulphosalt. It has very well defined faces and edges and an unusually intense luster.
Mina Rosebud, Rosebud District, Pershing County, Nevada USA
Specimen size: 4 × 2.6 × 1.5 cm = 1.57” × 1.02” × 0.59”
Price: €440 / US$492 / JPY53090 / AUD$710

TT30AH1: Miargyrite with Pyrargyrite

A novelty at Tucson 2018. Translucent Pyrargyrite crystal with intense reddish reflections and on a Quartz matrix with Miargyrite crystals that have an extraordinary definition for the species. They are very bright. The sample has been analyzed and we’ll send a copy of its analysis to the buyer.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 3.2 × 2 × 1.8 cm = 1.26” × 0.79” × 0.71”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
Price: €490 / US$548 / JPY59120 / AUD$800

TR89AL5: Miargyrite with Quartz

Spheroidal aggregates of very sharp Miargyrite crystals, of good size for the species and very bright. On matrix with Quartz. The high quality specimen comes from a recent find in the San José mine. This piece has been analyzed and we will send a copy of the analysis to the buyer.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 3 × 2.2 × 1.5 cm = 1.18” × 0.87” × 0.59”
Price: €440 / US$492 / JPY53090 / AUD$710

TP50AH1: Miargyrite with Quartz

A novelty at Tucson 2018. Group of Miargyrite crystals, on matrix, with an extraordinary definition for the species. They are very bright and have fine growth striations. The sample has been analyzed and we’ll send a copy of its analysis to the buyer.
San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca Mexico (01/2018)
Specimen size: 2.6 × 2.5 × 1.4 cm = 1.02” × 0.98” × 0.55”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
Price: €480 / US$537 / JPY57910 / AUD$780

NJ6AI0: Microcline

Aggregate of crystals with very well defined parallel growths, Manebach law twinned with a pale pink color.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Girona / Gerona, Catalonia Spain (±2006)
Specimen size: 8.6 × 8.5 × 3.4 cm = 3.39” × 3.35” × 1.34”
Price: €90 / US$100 / JPY10850 / AUD$140

MX96AL3: Microcline

Very sharp elongated Microcline crystal, partially doubly terminated, on a base of the same mineral, with very well defined crystalline forms and with a very clearly seen Baveno-law twin. An Italian alpine classic. The specimen comes from the Carles Curto collection (no. 1970.03), whose label and information sheet we will send to the buyer.
Oltrefiume, Baveno, Maggiore Lake, Verbano-Cusio-Ossola Province, Piedmont (Piemonte) Italy (±1970)
Specimen size: 8 × 3 × 3.3 cm = 3.15” × 1.18” × 1.30”

Main crystal size: 7.9 × 2.4 cm = 3.11” × 0.94”
Price: €190 / US$212 / JPY22920 / AUD$310

NF66AI7: Microcline with Albite and Quartz (variety smoky)

Microcline crystals with very well defined Baveno-law twins, with a pale pinkish color, with a parallel smoky Quartz crystal and groups of white Albite crystals. The sample is from the Daunis collection whose label we’ll send to the buyer.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Girona / Gerona, Catalonia Spain (2004-2010)
Specimen size: 9 × 7.5 × 5.6 cm = 3.54” × 2.95” × 2.20”
Price: €160 / US$179 / JPY19300 / AUD$260

DG11AH7: Microcline with Quartz (variety smoky)

Very sharp isolated Microcline crystals, one of them clearly dominant, with simple forms that have a particular shape that is well known as “coffin-like.” On matrix with white Albite crystals and smoky Quartz.
The Daunis collection was, in the 70’s and the 80’s, a reference for local prospectors of the Barcelona area.
Les Mallorquines, Sils, Comarca La Selva, Girona / Gerona, Catalonia Spain
Specimen size: 6.2 × 3.3 × 3.1 cm = 2.44” × 1.30” × 1.22”

Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”
Price: €60 / US$67 / JPY7230 / AUD$90

NC14AL3: Microcline with Quartz (variety smoky)

Microcline crystal with very well defined faces and edges, with clear double twinning according to both the Baveno and Manebach twin laws, and implanted in a translucent smoky Quartz crystal with deep and uniform color. Can Vernenc, close to Gualba, is an area that has produced very few collector quality specimens.
Can Vernenc, Montnegre Mountains, La Batllòria, Sant Celoni, Comarca Vallès Oriental, Barcelona, Catalonia Spain (1980-1985)
Specimen size: 7.8 × 4 × 4.7 cm = 3.07” × 1.57” × 1.85”
Price: €90 / US$100 / JPY10850 / AUD$140

NP14AJ5: Microcline with Quartz (variety smoky)

Microcline crystal with simple forms and skeletal growths and a smoky Quartz crystal with a very deep color and superficial recrystallization of white Quartz.
Mas Sever Quarry, Massabè (Mas Ceber), Sils, Comarca La Selva, Girona / Gerona, Catalonia Spain (2004-2010)
Specimen size: 6.2 × 6.2 × 5.3 cm = 2.44” × 2.44” × 2.09”

Main crystal size: 5.2 × 4.1 cm = 2.05” × 1.61”
Price: €90 / US$100 / JPY10850 / AUD$147

DL14AF8: Microcline with Quartz (variety smoky) and Epidote-Clinozoisite

Two elongated Microcline crystals, one of them with the Baveno twin law and the other with double twinning by the Baveno and Manebach laws. They are on matrix with Quartz crystals and Epidote-Clinozoisite coatings.
The sample is from the Daunis collection (a reference for the local prospectors of the Barcelona area during the period 1970-1980), and it is with a handwritten original label that we’ll send to the buyer.
Arbúcies, Comarca La Selva, Montseny Massif, Girona / Gerona, Catalonia Spain
Specimen size: 5.2 × 4.2 × 3.9 cm = 2.05” × 1.65” × 1.54”
Price: €85 / US$95 / JPY10250 / AUD$130

TD36AJ1: Miersite with Azurite

Spheroidal aggregates of small cubic Miersite crystals with a greenish-yellow color spread on an aggregate of platy translucent very bright Azurite crystals on a limonite matrix.
We will send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
Rubtsovskoe, Rudnyi Altai, Altai Krai, Western-Siberian Region Russia
Specimen size: 2.7 × 2.4 × 1.1 cm = 1.06” × 0.94” × 0.43”
Price: €150 / US$167 / JPY18090 / AUD$240

NA13AG0: Mimetite

Druse of Mimetite crystals on a rock matrix that resemble the English campylites, with a spheroidal shape but very well-defined faces and edges. They are bright, with a color between yellow and deep olive green. The sample is from a recent find at Tharsis.
Filón Sur open pit (external), Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (30/04/2017)
Specimen size: 3.2 × 3.2 × 1.9 cm = 1.26” × 1.26” × 0.75”
Price: €70 / US$78 / JPY8440 / AUD$110

NB12AG0: Mimetite

Druse of Mimetite crystals on a rock matrix that resemble the English campylites, with a spheroidal shape but very well-defined faces and edges. They are bright, with a color between yellow and deep olive green. The sample is from a recent find at Tharsis.
Filón Sur open pit (external), Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (30/04/2017)
Specimen size: 4.6 × 2.3 × 3.3 cm = 1.81” × 0.91” × 1.30”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
Price: €90 / US$100 / JPY10850 / AUD$140

NC14AG0: Mimetite

Druse of Mimetite crystals on a rock matrix that resemble the English campylites, with a spheroidal shape but very well-defined faces and edges. They are bright, with a color between yellow and deep olive green. The sample is from a recent find at Tharsis.
Filón Sur open pit (external), Minas de Tharsis, Tharsis, Alosno, Comarca El Andévalo, Huelva, Andalusia Spain (30/04/2017)
Specimen size: 6 × 4 × 3.1 cm = 2.36” × 1.57” × 1.22”
Price: €100 / US$111 / JPY12060 / AUD$160

TL26AL4: Mimetite

Polycrystalline growths of Mimetite, on matrix, with the forms of the prism and an acute pyramidal termination, translucent, very shiny and yellow color with orange tones.
A very typical Tsumeb specimen that we will deliver in its original Perky box from the Robert J. Noble collection, which also contains the label, which states that it came from the Sullivan collection.
Tsumeb Mine, Tsumeb, Otjikoto Region Namibia
Specimen size: 2.2 × 1.6 × 1.1 cm = 0.87” × 0.63” × 0.43”
Price: €120 / US$134 / JPY14470 / AUD$190

LR86AK7: Mimetite

Very elongated crystals of Mimetite, with excellent terminations, transparent, lustrous, intense yellow, on matrix.
This piece is from the collection of Philippe Morelon (No. 1100) whose label we will send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region Namibia
Specimen size: 3 × 2.2 × 1.4 cm = 1.18” × 0.87” × 0.55”
Price: €220 / US$246 / JPY26540 / AUD$350

We work with the IMA approved names for minerals. If you are not sure of the IMA name for the mineral you are looking for you can select it from the following list


US Minerals	Mexico & Canada Minerals	Spanish Minerals	Spanish Fluorite	Portugal - Panasqueira	Romanian Minerals
European Minerals	FSU Minerals	Moroccan Minerals	African Minerals	Brazilian Minerals	South American Minerals
Chinese Minerals	Asia & Australia Minerals	Joaquim Callen's Photo Gallery	The Daunis Collection	The Jan Buma Collections	The James Catmur Collection