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Group of very sharp and translucent octahedral crystals, with a very intense green color, that partially coat a granite matrix. A Spanish classic from a currently closed locality that only sporadically produces samples of this quality. This piece is from an old collection.
Berta Quarry, Can Domènech Hill, Roques Blanques Mountains, Sant Cugat del Vallès-El Papiol, Comarca Vallès Occidental / Baix Llobregat, Barcelona, Catalonia / Catalunya Spain
Specimen size: 6.2 × 6.1 × 4.3 cm = 2.44” × 2.40” × 1.69”
Price: €55 / US$59 / ¥8670 / AUD$90

AF98Z8: Octahedral Fluorite with Cassiterite

Octahedral crystal, a very rare crystalline form for Fluorite from Panasqueira. It is translucent, with a bluish-green color and white areas on the vertices. There is also a small and very bright group of cyclic Cassiterite twins on the underside of the crystal.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (1987-2013)
Specimen size: 4 × 3.9 × 2.9 cm = 1.57” × 1.54” × 1.14”
Price: €380 / US$410 / ¥59940 / AUD$630

SM430FR: Octahedral Fluorite with Quartz

Octahedral Fluorite crystal, translucent, uniform green in color, on matrix, with Quartz.
Former collection of Jan Buma. Number 061016
Stak Nala, Haramosh Mountains, Baltistan District, Gilgit-Baltistan (Northern Areas) Pakistan (±2006)
Specimen size: cm =
Price: €430 / US$464 / ¥67830 / AUD$720

JR50X5: Octahedral Fluorite with Quartz and Calcite

Group of very well defined octahedral crystals with clear green color, polycrystalline growths on their faces and small cubic recrystallizations on some of their octahedral points.
Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province China (±2000)
Specimen size: 9.5 × 6.5 × 6 cm = 3.74” × 2.56” × 2.36”

Main crystal size: 6 × 4.5 cm = 2.36” × 1.77”
Price: €460 / US$497 / ¥72560 / AUD$770

TG76L1: Octahedral Fluorite with Quartz and Mica

Group of translucent octahedral Fluorite crystals, on a smoky Quartz crystal. The sample is from a locality where nowadays is quite difficult to obtain specimens.
Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region Kazakhstan (±1993)
Specimen size: 6.7 × 4.4 × 3.3 cm = 2.64” × 1.73” × 1.30”
Price: €175 / US$189 / ¥27600 / AUD$290

TXX88AP9: Olivenite

Very sharp Olivenite crystals on matrix, flattened, some of them doubly terminated, with the faces and edges well defined, translucent, shiny and of a very deep olive-green color. As on so many other occasions in Milpillas, the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora Mexico (11-12/2019)
Specimen size: 3.7 × 2.7 × 1.9 cm = 1.46” × 1.06” × 0.75”

Main crystal size: 1.1 × 0.2 cm = 0.43” × 0.08”
Price: €320 / US$345 / ¥50480 / AUD$530

TD88AM3: Olivenite

A novelty at Tucson 2020. Group of Olivenite crystals on matrix, one of them clearly dominant and very aerial and sharp, flattened, with very well defined faces and edges and perfect terminations. With good luster and a very deep olive-green color. As on so many other occasions in Milpillas, among the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora Mexico (11-12/2019)
Specimen size: 2.2 × 1.4 × 0.8 cm = 0.87” × 0.55” × 0.31”
Price: €360 / US$389 / ¥56790 / AUD$600

MZF99AO2: Olivenite

Growths of small acicular Olivenite crystals with a very vivid satiny luster, a deep and uniform green color, on matrix and with Quartz. This specimen is an excellent English classic from the Paul Sainfeld collection.
Wheal Gorland, Saint Day, Camborne - Redruth - Saint Day District, Cornwall England / United Kingdom
Specimen size: 5.6 × 4.1 × 2.7 cm = 2.20” × 1.61” × 1.06”
Price: €540 / US$583 / ¥85180 / AUD$900

TY90AM0: Olivenite

A novelty at Tucson 2020. Isolated crystals of Olivenite on matrix, flat and most of them doubly terminated. With very well defined faces and edges and perfect terminal faces, lustrous and very deep olive green. As with so many things from Milpillas, among the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora Mexico (11-12/2019)
Specimen size: 4.5 × 4.2 × 3.2 cm = 1.77” × 1.65” × 1.26”
Price: €540 / US$583 / ¥85180 / AUD$900

TV87AL2: Olivenite

A novelty at Tucson 2020. Matrix group of acicular Olivenite crystals with very well defined faces and edges, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora Mexico (11-12/2019)
Specimen size: 7.7 × 6.6 × 2.4 cm = 3.03” × 2.60” × 0.94”

Main crystal size: 1.1 × 0.1 cm = 0.43” × 0.04”
Price: €2400 / US$2593 / ¥378600 / AUD$4030

MB89AJ8: Olivenite with Quartz

Groups of dipyramidal Olivenite crystals on Quartz matrix, with very well defined faces and edges and polycrystalline growths. An English classic, unusually well crystallized. It is with an old handwritten label that we will send to the buyer.
Cornwall England / United Kingdom
Specimen size: 5.3 × 3.4 × 2.4 cm = 2.09” × 1.34” × 0.94”
Price: €380 / US$410 / ¥59940 / AUD$630

TR48AL5: Olivenite with Quartz and Hydroniumjarosite

A novelty at Tucson 2020. Groups of very sharp Olivenite crystals, many of them doubly terminated, with very well defined faces and edges and perfect terminal faces, transparent or translucent, bright and with a very deep olive-green color. On matrix with coatings of small yellowish-white botryoidal aggregates of Hydroniumjarosite. As in so many other occasions with Milpillas, among the best for the species.
This sample has been referenced and pictured, as a novelty in Ste. Marie Virtual 2020, in the magazine 'Le Règne Minéral' number 154, page 45
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora Mexico (11-12/2019)
Specimen size: 9.6 × 6.4 × 4 cm = 3.78” × 2.52” × 1.57”

Main crystal size: 1.4 × 0.3 cm = 0.55” × 0.12”
Price: €3200 / US$3458 / ¥504800 / AUD$5370

TLF86AN9: Olmiite

Sheaf-like growth of Olmiite crystals with well defined faces and edges, with good luster and a pale brown color, on matrix. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa
Specimen size: 2.7 × 2 × 2.1 cm = 1.06” × 0.79” × 0.83”
Price: €160 / US$172 / ¥25240 / AUD$260

EC97AK3: Olmiite

Group of crystals of short prismatic habit, well developed, of good size for the species, translucent and lustrous, color between pink and reddish, as was typical of the first finds of this species.
N'Chwaning II Mine, section 5 south, stope 46-47 roof, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (01/2002)
Specimen size: 3.2 × 2.8 × 2.1 cm = 1.26” × 1.10” × 0.83”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”
Price: €280 / US$302 / ¥44170 / AUD$470

EG6K9: Olmiite

Excellent miniature. The prismatic crystals are similar to a wheatsheaf with good brilliance and color. On rocky matrix.
N'Chwaning II Mine, section 5 south, stope 46-47 roof, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (01/2002)
Specimen size: 2.5 × 2 × 1.4 cm = 0.98” × 0.79” × 0.55”
Price: €110 / US$118 / ¥17350 / AUD$180

EV28AI0: Olshanskyite

Druse, on matrix, of well-differentiated elongated crystals that are transparent, colorless and extraordinarily bright with very sharp crystalline forms. On the Olshanskyite small Andradite crystals have grown. The Olshanskyite from the Shijiangshan mine was previously well-known for its quality, largely overtaking the best known to date for the species, but a recent find has raised the roof of quality to unforeseen levels. The sample has been analyzed and we’ll send a copy of the analysis to the buyer.
Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region China (04/2017)
Specimen size: 4.8 × 4.4 × 3.8 cm = 1.89” × 1.73” × 1.50”

Main crystal size: 0.9 × 0.2 cm = 0.35” × 0.08”
Price: €320 / US$345 / ¥50480 / AUD$530

TC2580ERY: Olshanskyite with Roweite, Andradite and Wurtzite

Groups of Olshanskyite crystals, with a very elongated shape, transparent, colorless and lustrous. With very sharp crystal forms and related with minor Roweite, Andradite and Wurtzite. Olshanskyites from the Shijiangshan mine were already known for their quality, which far surpassed the best known to date for the species, but a very recent find has raised the quality ceiling to unsuspected levels. From this new find we have been able to choose among the best specimens recovered. We will send a copy of the analysis to the buyer.
Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region China (04/2017)
Specimen size: 7.7 × 5.4 × 4.1 cm = 3.03” × 2.13” × 1.61”
Price: €580 / US$626 / ¥91490 / AUD$970

HM180TF: Opal (variety hyalite)

These Opals (variety hyalite) appeared for first time during the Tucson Show 2014. Botryoidal nodule very aesthetic and transparent, which shows fluorescence even in daylight, on matrix. In fact it fluoresces under almost any type of light: LED, fluorescent, daylight, and of course also with ultraviolet light. The only light with which they do not react is with incandescent bulbs.
Zacatecas Mexico
Specimen size: 2.3 × 2.2 × 1.6 cm = 0.91” × 0.87” × 0.63”
Price: €180 / US$194 / ¥28390 / AUD$300

EG47AC1: Opal (variety hyalite)

Very aerial botryoidal growths completely clear, colorless, very bright and implanted on a rocky matrix.
Tarcal, Eperjes-Tokaj Mountains, Borsod-Abaúj-Zemplén Hungary (11/2013)
Specimen size: 6.4 × 4.8 × 3.8 cm = 2.52” × 1.89” × 1.50”
Price: €240 / US$259 / ¥37860 / AUD$400

EH67AC1: Opal (variety hyalite) with Aragonite

Crown-shaped growth of very aerial botryoidal aggregates, completely clear, colorless, very bright, with white botryoidal Aragonite formations and implanted on a rocky matrix.
This specimen was published on the Mineralogical Record´s web page, in the ‘What’s New in the Mineral World?’ section, report #41, August 22, 2015 edition, page 9
Tarcal, Eperjes-Tokaj Mountains, Borsod-Abaúj-Zemplén Hungary (11/2013)
Specimen size: 6.6 × 3.6 × 3.8 cm = 2.60” × 1.42” × 1.50”
Price: €260 / US$281 / ¥41010 / AUD$430

VC37Z4: Orthoclase (variety adularia) with Chlorite

Parallel growths of Orthoclase (variety adularia) crystals that are very bright, translucent, have very well defined faces and edges and are with oriented growths of dark green Chlorite. A Swiss classic.
Central St Gotthard Massif, Leventina, Ticino (Tessin) Switzerland (±1979)
Specimen size: 9.8 × 6.2 × 4.8 cm = 3.86” × 2.44” × 1.89”
Price: €180 / US$194 / ¥28390 / AUD$300

TFR68AP9: Paravauxite with Sigloite

Druse of prismatic crystals of Paravauxite of good size, with sharp crystal forms and an excellent state of conservation. With small transparent Quartz crystals. From the type locality for both species, the Paravauxite and the Sigloite.
Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí Department Bolivia
Specimen size: 6 × 3.8 × 2.6 cm = 2.36” × 1.50” × 1.02”

Main crystal size: 1.1 × 0.6 cm = 0.43” × 0.24”
Price: €350 / US$378 / ¥55210 / AUD$580

TC540MX: Pearceite-T2ac with Proustite and Calcite

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 × 4.7 × 2.3 cm = 3.46” × 1.85” × 0.91”
Price: €540 / US$583 / ¥85180 / AUD$900

TQ89AI0: Pectolite with Calcite and Grossular

Double group of very sharp Pectolite crystals, all them doubly terminated and with very well defined faces and edges, a snowy white color, pearly luster and partially coated by Calcite and small Grossular aggregates. A fine Canadian classic, of great quality.
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec Canada
Specimen size: 6.3 × 3.1 × 1.8 cm = 2.48” × 1.22” × 0.71”

Main crystal size: 2.4 × 1.3 cm = 0.94” × 0.51”
Price: €450 / US$486 / ¥70980 / AUD$750

TFR10AO4: Phosgenite

Tabular Phosgenite crystals with very sharp crystal forms, between transparent and translucent, with good luster and a light brown color, on matrix. An excellent classic for both the locality and the species. The specimen is accompanied by a very old handwritten label, without direct reference to any specific collection.
Monteponi Mine, Iglesias, Sud Sardegna Province, Sardinia/Sardegna Italy
Specimen size: 13.2 × 9.1 × 1.9 cm = 5.20” × 3.58” × 0.75”
Price: €590 / US$637 / ¥93070 / AUD$990

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	French Minerals
European Minerals	FSU Minerals	Moroccan Minerals	African Minerals	Brazilian Minerals	South American Minerals
Chinese Minerals	Tukey, Asia & Australia Minerals	Joaquim Callen's Photo Gallery	The Daunis Collection	The Jan Buma Collections	The Carles Curto Collection