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MB9AH7: Octahedral Pyrite
Group of bright and sharp octahedral Pyrite crystals very rich in minor accessory forms on the vertexes, mainly diploid faces.
Shumin Mine, Usquil, Usquil District, Otuzco Province, La Libertad Department  Peru (2010)
Specimen size: 2.5 × 2.1 × 2.3 cm = 0.98” × 0.83” × 0.91”
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NJ10X4: Octahedral Pyrite
A novelty at Mineralexpo (Barcelona) 2013. A druse, on matrix, of cubo-octahedral crystals with a superficial iridescent patina with dominant deep metallic yellow and blue shades and a very intense luster.
Pura claim, Carmen y Pura group of mines, Valdelapiedra ravine, Foz-Calanda, Comarca Bajo Aragón, Teruel, Aragon  Spain (01/2013)
Specimen size: 6.2 × 4.6 × 3.7 cm = 2.44” × 1.81” × 1.46”

Main crystal size: 0.7 × 0.4 cm = 0.28” × 0.16”
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NG62X4: Octahedral Pyrite
A novelty at Mineralexpo (Barcelona) 2013. A druse, on matrix, of extraordinarily bright cubo-octahedral crystals with a superficial iridescent patina with deep metallic blue and yellow shades.
Pura claim, Carmen y Pura group of mines, Valdelapiedra ravine, Foz-Calanda, Comarca Bajo Aragón, Teruel, Aragon  Spain (01/2013)
Specimen size: 10.3 × 6.7 × 6.3 cm = 4.06” × 2.64” × 2.48”
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GB86Q1: Octahedral Pyrite
Group of octahedral crystals with very bright and very well defined faces and edges, rich in accessory faces and polycrystalline growths on some of the octahedral faces.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru (±1985)
Specimen size: 13.2 × 10 × 5.3 cm = 5.20” × 3.94” × 2.09”

Main crystal size: 4.2 × 3 cm = 1.65” × 1.18”
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JL12E3: Octahedral Pyrite
Great brilliance and lots of color. I like the shape and I also like the fact that, while it is metallic, it does not look heavy.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru (±1983)
Specimen size: 6.5 × 5.9 × 3.9 cm = 2.56” × 2.32” × 1.54”
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XM90DK: Octahedral Pyrite with Magnetite and Calcite
Very sharp octahedral Pyrite crystals, lustrous, on matrix, with black dodecahedral crystals of Magnetite.
The specimen comes from the Lluís Daunis collection.
Brosso Mine, Cálea, Léssolo, Canavese District, Metropolitan City of Turin Province, Piedmont (Piemonte)  Italy
Specimen size: 12.3 × 5.7 × 5.2 cm = 4.84” × 2.24” × 2.05”

Main crystal size: 1.6 × 1.2 cm = 0.63” × 0.47”
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MB10AM9: Okenite
Spheroidal growth of fine filiform crystals of Okenite, with a silky luster and a snow-white color, on matrix. Relatively abundant decades ago, Okenite is nowadays a rare species in India.
We will send the specimen, which comes from the Robert J. Noble collection, in its original Perky box from that collection, which also contains the label, which shows that it was previously in the Bob Sullivan collection.
Nashik District (Nasik), Maharashtra  India
Specimen size: 2.4 × 2.1 × 2.3 cm = 0.94” × 0.83” × 0.91”
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10TK68: Olivenite
A novelty at Tucson 2020. Matrix group of outstanding Olivenite crystals, two of them clearly dominant, flattened, with defined faces and edges and terminal faces, lustrous and very deep olive green. The crystals show some small damage but don't make the entire piece look wrong.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 2.0 × 2.0 × 1.1 cm = 0.79” × 0.79” × 0.43”

Main crystal size: 0.9 × 0.1 cm = 0.35” × 0.04”
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EJ36T4: Olivenite
Aggregate of elongated crystals, a lot of them doubly terminated with their faces slightly curved, with the olive green color typical for the species and on Quartz matrix. A super classic from Cornwall.
Wheal Gorland, Saint Day, Camborne - Redruth - Saint Day District, Cornwall  England / United Kingdom
Specimen size: 3.7 × 3 × 1.8 cm = 1.46” × 1.18” × 0.71”
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ELP66AO1: Olivenite
Botryoidal growths in the cavities of a limonitic matrix of lustrous Olivenite microcrystals with an intense deep green color. The specimen comes from one of the great classic localities for the species. From the Alain Martaud collection, whose label we will send to the buyer.
Cap Garonne Mine, Le Pradet, Toulon, Var, Provence-Alpes-Côte d'Azur  France
Specimen size: 7.9 × 5.8 × 4.7 cm = 3.11” × 2.28” × 1.85”
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SM190TAQ: Olivenite
A novelty at Tucson 2020: Group on matrix of flattened Olivenite crystals with sharp crystal forms and perfect terminations, with bright luster and a very deep olive-green color. As for so many other finds in Milpillas, one of the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 2.9 × 1.6 × 1.1 cm = 1.14” × 0.63” × 0.43”
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TC47AM3: 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 × 1.9 × 1.7 cm = 0.87” × 0.75” × 0.67”

Main crystal size: 1.2 × 0.4 cm = 0.47” × 0.16”

MBB97ASN1: Olivenite
An excellent English classic formed by growths of small acicular Olivenite crystals forming concretions on a limonite matrix with a satin sheen and silky appearance, with a deeper green tone at the terminal part of the crystals. The specimen comes from the Moutet collection, whose Deyrolle label will be sent to the buyer of the piece.
Wheal Gorland, Saint Day, Camborne - Redruth - Saint Day District, Cornwall  England / United Kingdom
Specimen size: 5.2 × 3.3 × 2.2 cm = 2.05” × 1.30” × 0.87”
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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”
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TJA28AN6: Olivenite
Very sharp crystals of Olivenite on matrix, flattened, some of them doubly terminated, with very well defined faces and edges and perfect terminations, with bright luster and a very deep olive-green color. As on so many other occasions in Milpillas, one of the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 1.7 × 1.1 × 0.9 cm = 0.67” × 0.43” × 0.35”
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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”

Main crystal size: 1.1 × 0.3 cm = 0.43” × 0.12”
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TF49AM0: Olivenite
A novelty at Tucson 2020. Very aerial group of sharp, flat, doubly terminated Olivenite crystals on matrix. With very well defined faces and edges and perfect terminations, lustrous and very deep olive green. As with so many other things from Milpillas, among the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 2.5 × 1.9 × 0.6 cm = 0.98” × 0.75” × 0.24”
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TT49AL2: Olivenite
A novelty at Tucson 2020. Matrix group of outstanding Olivenite crystals, one of them clearly dominant, flattened, with very well defined faces and edges and perfect terminal faces, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
The sample has been noted and photographed in the monograph 'The Milpillas Mine' of the ‘Mineralogical Record‘ magazine on page 608 in the volume 52, number 5, September-October 2021 and in the Russian magazine ‘Mineral Observer’ on page 58 in the volume 25, number 2
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 1.9 × 1.4 × 1.3 cm = 0.75” × 0.55” × 0.51”

Main crystal size: 1.9 × 0.5 cm = 0.75” × 0.20”
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TX99AL2: Olivenite
A novelty at Tucson 2020. Two outstanding Olivenite crystals, flattened, with sharp faces and edges and perfect terminal faces, lustrous and very deep olive green. As on so many other occasions in Milpillas, the best for the species. As on so many other occasions in Milpillas, among the best of the species.
The specimen has been reviewed, photographed and published as a novelty from Tucson 2020 in the Russian magazine ‘Mineral Observer’ on page 58 in the volume 25, number 2
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 1.9 × 1.8 × 0.9 cm = 0.75” × 0.71” × 0.35”
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TV99AL2: Olivenite
A novelty at Tucson 2020. Group, on matrix, of highly profiled, flattened Olivenite crystals, some of them doubly terminated, with very well defined faces and edges and perfect terminal faces, 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: 2 × 1.6 × 1.2 cm = 0.79” × 0.63” × 0.47”

Main crystal size: 1.8 × 0.5 cm = 0.71” × 0.20”
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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”
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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”

Main crystal size: 1.2 × 0.2 cm = 0.47” × 0.08”
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TA50AL2: Olivenite
A novelty at Tucson 2020. Two outstanding Olivenite crystals, one of them clearly dominant, flattened, with very well defined faces and edges and perfect terminations, 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: 1.8 × 0.9 × 0.6 cm = 0.71” × 0.35” × 0.24”
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TT96AL9: Olivenite
A novelty at Tucson 2020. Druse of elongated Olivenite crystals on matrix with sharp faces and edges and good terminal faces, with good luster and a very deep olive green color. As with so many other finds fromn Milpillas, among the best for the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)
Specimen size: 7.2 × 5.5 × 1.6 cm = 2.83” × 2.17” × 0.63”

Main crystal size: 0.6 × 0.1 cm = 0.24” × 0.04”
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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”

12641 results found. 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[2251-2275] [2276-2300] [2301-2325] [2326-2350] [2351-2375] [2376-2400] [2401-2425] [2426-2450] [2451-2475] [2476-2500] [2501-2525] [2526-2550] [2551-2575] [2576-2600] [2601-2625] [2626-2650] [2651-2675] [2676-2700] [2701-2725] [2726-2750] [2751-2775] [2776-2800] [2801-2825] [2826-2850] [2851-2875] [2876-2900] [2901-2925] [2926-2950] [2951-2975] [2976-3000] [3001-3025] [3026-3050] [3051-3075] [3076-3100] [3101-3125] [3126-3150] [3151-3175] [3176-3200] [3201-3225] [3226-3250] [3251-3275] [3276-3300] [3301-3325] [3326-3350] [3351-3375] [3376-3400] [3401-3425] [3426-3450] [3451-3475] [3476-3500] [3501-3525] [3526-3550] [3551-3575] [3576-3600] [3601-3625] [3626-3650] [3651-3675] [3676-3700] [3701-3725] [3726-3750] [3751-3775] [3776-3800] [3801-3825] [3826-3850] [3851-3875] [3876-3900] [3901-3925] [3926-3950] [3951-3975] [3976-4000] [4001-4025] [4026-4050] [4051-4075] [4076-4100] [4101-4125] [4126-4150] [4151-4175] [4176-4200] [4201-4225] [4226-4250] [4251-4275] [4276-4300] [4301-4325] 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[6401-6425] [6426-6450] [6451-6475] [6476-6500] [6501-6525] [6526-6550] [6551-6575] [6576-6600] [6601-6625] [6626-6650] [6651-6675] [6676-6700] [6701-6725] [6726-6750] [6751-6775] [6776-6800] [6801-6825] [6826-6850] [6851-6875] [6876-6900] [6901-6925] [6926-6950] [6951-6975] [6976-7000] [7001-7025] [7026-7050] [7051-7075] [7076-7100] [7101-7125] [7126-7150] [7151-7175] [7176-7200] [7201-7225] [7226-7250] [7251-7275] [7276-7300] [7301-7325] [7326-7350] [7351-7375] [7376-7400] [7401-7425] [7426-7450] [7451-7475] [7476-7500] [7501-7525] [7526-7550] [7551-7575] [7576-7600] [7601-7625] [7626-7650] [7651-7675] [7676-7700] [7701-7725] [7726-7750] [7751-7775] [7776-7800] [7801-7825] [7826-7850] [7851-7875] [7876-7900] [7901-7925] [7926-7950] [7951-7975] [7976-8000] [8001-8025] [8026-8050] [8051-8075] [8076-8100] [8101-8125] [8126-8150] [8151-8175] [8176-8200] [8201-8225] [8226-8250] [8251-8275] [8276-8300] [8301-8325] [8326-8350] [8351-8375] [8376-8400] [8401-8425] [8426-8450] [8451-8475] 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