Mineral Specimens - page 6
Romania

MP52AH2: Spheroidal aggregates of white rhombohedral Calcite crystals on a druse of rhombohedral Rhodochrosite crystals with good color and very pronounced curvatures, forming the habit well known as "saddle crystals". The sample is from the type locality for the Rhodochrosite.
Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (1964)

Specimen size: 16.5 × 10.7 × 5.7 cm = 6.5” × 4.2” × 2.2”

EL96Y9: Coralloid growths of Rhodochrosite microcrystals, very aerial and with a very good pink color. They are on matrix, with crystals of Quartz, Sphalerite and Pyrite.
Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (1960-1970)

Specimen size: 8.5 × 8.2 × 4.4 cm = 3.3” × 3.2” × 1.7”

EE87Y9: Coralloid growths of Rhodochrosite microcrystals, very aerial and with a very good pink color. They are on matrix, with crystals of Quartz, Sphalerite and Pyrite.
Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (1960-1970)

Specimen size: 11.5 × 9.7 × 5 cm = 4.5” × 3.8” × 2.0”

MA69AF8: Coralloid growths of small rhombohedral Rhodochrosite crystals with a pink color coating a druse of Quartz crystals on a matrix with Sphalerite and Pyrite.
Cavnic mining area, Cavnic, Maramures  Romania (± 1970)

Specimen size: 17 ×10.5 × 4.8 cm = 6.7” × 4.1” × 1.9”

TT47AG9: A crown of small cubic Pyrite crystals that are bright and are covering a spheroidal mass that sits on a cluster of Quartz crystals.
Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 9.5 × 7.5 × 6.3 cm = 3.7” × 3.0” × 2.5”

ME13AE3: Spheroidal aggregates of white rhombohedral Calcite crystals on a matrix of Quartz crystals partially coated by tabular Dolomite crystals with a very pale cream color.
Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (±1980)

Specimen size: 10.5 × 8 × 5.9 cm = 4.1” × 3.1” × 2.3”

Main crystal size: 1.5 × 1.3 cm = 0.6” × 0.5”

EJ27AC5: Aggregate of very bright Stibnite crystals on a Calcite matrix, with very well defined faces and edges and showing the characteristic habit of the crystals of Stibnite from this mine, very short, flattened and with excellent terminations. They are on a Calcite matrix, with Baryte.
Baiut, Maramures  Romania (±1970)

Specimen size: 5.6 × 5.4 × 5.6 cm = 2.2” × 2.1” × 2.2”

Main crystal size: 2.2 × 1.4 cm = 0.9” × 0.6”

EL86AC5: Aggregate of very bright Stibnite crystals on a Calcite matrix, with very well defined faces and edges and showing the characteristic habit of the crystals of Stibnite from this mine, very short, flattened and with excellent terminations.
Baiut, Maramures  Romania (±1970)

Specimen size: 6 × 5.2 × 3.5 cm = 2.4” × 2.0” × 1.4”

Main crystal size: 2.2 × 0.9 cm = 0.9” × 0.4”

MC69R3: Group of thick short prismatic crystals of Stibnite, with excellent terminations, typical of the Poiana Botizei mine, a locality that in its best times offered not too many samples but commonly of good quality.
With a label from the Joan Abella i Creus collection that we’ll send to the buyer.
Poiana Botizei Mine, Baiut, Maramures  Romania (±1986)

Specimen size: 13.2 × 10.5 × 7.4 cm = 5.2” × 4.1” × 2.9”

Main crystal size: 2.5 × 1.7 cm = 1.0” × 0.7”

TC69AF6: Aggregate of twinned Chalcopyrite crystals with the dominant forms of a disphenoid. They are very well defined and bright and have cubic Pyrite crystals on the back; small Galena crystals are associated. The chalcopyrite crystals are partially coated by groups of lenticular Calcite crystals. A classic piece from Cavnic, where good Chalcopyrite specimens are very scarce.
Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 5.7 × 5.2 × 2.5 cm = 2.2” × 2.0” × 1.0”

Main crystal size: 2.4 × 2 cm = 0.9” × 0.8”

EM57AG0: Rosette-like aggregates of laminar Semseyite crystals with very well defined faces and edges, very bright and on a matrix with very bright Sphalerite crystals. An excellent Romanian classic.
The sample is from the René Hubin collection from Neupré in Belgium, whose label we’ll send to the buyer.
Herja Mine, Chiuzbaia, Baia Mare, Maramures  Romania

Specimen size: 4.8 × 2 × 2.7 cm = 1.9” × 0.8” × 1.1”

Main crystal size: 1 × 0.7 cm = 0.4” × 0.3”

NR90AE7: Radial aggregates of acicular Semseyite crystals that are very bright and have grown on a druse of very bright cubo-octahedral Galena crystals, also very bright, with curved edges, all on a rocky matrix coated by lenticular Calcite crystals on the back.
The sample is from the Uwe Niemeyer collection.
Herja Mine, Chiuzbaia, Baia Mare, Maramures  Romania

Specimen size: 14 × 13.7 × 6.8 cm = 5.5” × 5.4” × 2.7”

TZ47X1: Cubo-octahedral crystals of Galena, bright and well defined, with radial growths of sharp platy crystals of Semseyite. Some of the faces of the Galena show very well marked skeletal growths.
Herja Mine, Chiuzbaia, Baia Mare, Maramures  Romania

Specimen size: 8 × 6.4 × 5 cm = 3.1” × 2.5” × 2.0”

Main crystal size: 4.7 × 3.8 cm = 1.9” × 1.5”

MC64Y7: Floater group of uniaxial Calcite growths of very flattened rombohedrons that show very distinct color zoning, one with whitish tones, the other grayish black due to Boulangerite inclusions.
Herja Mine, Chiuzbaia, Baia Mare, Maramures  Romania (10/2003)

Specimen size: 5.3 × 3 × 3.3 cm = 2.1” × 1.2” × 1.3”

MA87AG9: Divergent aggregates of acicular Berthierite crystals, very rarely found on matrix. They are with Siderite and gray aggregates of Calcite crystals. One of the aggregates, on the left in the image, is truncated by a natural contact.
The sample is from the Uwe Niemeyer collection (num. 1965) and we’ll send the label to the buyer.
Herja Mine, Chiuzbaia, Baia Mare, Maramures  Romania (1956)

Specimen size: 11.7 × 9.8 × 7.7 cm = 4.6” × 3.9” × 3.0”

EA47Y9: Aggregate of platy Baryte crystals with a sharp and very well defined shape. They are very transparent, extraordinarily bright and are on matrix.
Baia Sprie Mine, Baia Sprie, Maramures  Romania (±1980)

Specimen size: 16.5 × 10.3 × 4 cm = 6.5” × 4.1” × 1.6”

Main crystal size: 1.7 × 1.6 cm = 0.7” × 0.6”

ST96AE3: Two generations of Siderite crystals on matrix. The first forms a tapestry of small thick-tabular crystals with very well defined forms and the second is with larger polycrystalline aggregates with very curved faces.
The sample is with a label from the Stoppani collection that we’ll send to the buyer
Maramures  Romania

Specimen size: 12.5 × 10.8 × 4.2 cm = 4.9” × 4.3” × 1.7”

Main crystal size: 2.7 × 1.8 cm = 1.1” × 0.7”

SG38AF0: Botryoidal Siderite traditionally well known as sphaerosiderite, on a rocky matrix with bluish and very bright, laminar Baryte crystals.
The sample is from the Francesco S. Stoppani collection (catalog number 0635), whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Baia Mare, Maramures  Romania

Specimen size: 13 × 8.3 × 3.8 cm = 5.1” × 3.3” × 1.5”

MC56Z9: Very sharp and bright cubo-octahedral Galena crystals on a matrix of small Pyrite crystals, with white Calcite. The Pyrite aggregate has a curious hood-like shape that probably corresponds to the surface of an old lost scalenohedral Calcite crystal.
Oradea, Bihor County  Romania

Specimen size: 5.8 × 5.8 × 3.7 cm = 2.3” × 2.3” × 1.5”

Main crystal size: 0.7 × 0.7 cm = 0.3” × 0.3”

EB56AF9: Dendritic growths of flattened crystals that have very well defined faces and edges, with hoppered faces, very bright and on a rocky matrix coated by small Quartz crystals. A great European classic, where most of the samples were found in the 19th century.
The sample is from the Hubin Neupré collection whose label we’ll send to the buyer.
Rosia Montana, Apuseni Mountains, Apuseni District, Alba, Transylvania  Romania

Specimen size: 8.6 × 6.5 × 3.2 cm = 3.4” × 2.6” × 1.3”

TR89AF6: Druse of very well defined rhombohedral Siderite crystals which are cast pseudomorphs after Calcite. During the process of the substitution, wall-like external shells were left behind. The siderite casts are on matrix, with small Pyrite crystals.
The sample is from the Vallecillo collection, Madrid.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare  Romania

Specimen size: 14 × 10.7 × 4.9 cm = 5.5” × 4.2” × 1.9”

Main crystal size: 2.9 × 2.4 cm = 1.1” × 0.9”

TE69AG9: Growths of small Siderite crystals outlining the rhombohedral forms of much larger platy Siderite crystals, a product of crystallization of a second generation upon a first generation. Typical of samples from the extinct Turt mine.
Turt Mine, Turt, Negresti-Oas, Oas Mountains, Satu Mare  Romania

Specimen size: 14.3 × 9 × 4.8 cm = 5.6” × 3.5” × 1.9”