Mineral Specimens - page 8
FSU

MC97S3: Aggregate of sharp and very bright crystals of Arsenopyrite, most of them doubly terminated, with cubo-octahedral crystals of Galena and small crystals of Quartz. An excellent sample for the locality, in which Arsenopyrite is relatively rare.
Dalnjegorsk, Primorskij Kraj  Russia (±1994)

Specimen size: 12.5 × 9.4 × 4.7 cm = 4.9” × 3.7” × 1.9”

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

MQ87S1: Centered aggregate of sharp, very acute, crystals of Axinite-(Mn), a species that cannot be confused with the more common Axinite-(Fe). The crystals are transparent, very bright and have a very deep color and are on a curious double matrix separated by a group of Calcite crystals, also present on the back of the piece.
1st Sovietskij Mine, Dalnjegorsk, Primorskij Kraj  Russia (2004)

Specimen size: 3.2 × 3.3 × 2.9 cm = 1.3” × 1.3” × 1.1”

Main crystal size: 1.5 × 0.5 cm = 0.6” × 0.2”

TC90S1: Irregular aggregate of sharp, very acute, crystals of Axinite-(Mn), a species that cannot be confused with the more common Axinite-(Fe). The crystals are transparent, very bright and have a very deep color and are on matrix, with small transparent crystals of Calcite.
1st Sovietskij Mine, Dalnjegorsk, Primorskij Kraj,  Russia

Specimen size: 8.3 × 4.4 × 1.8 cm = 3.3” × 1.7” × 0.7”

Main crystal size: 1.6 × 0.8 cm = 0.6” × 0.3”

KF88L9: Group of well defined faces and edges on tabular Pyrrhotite crystals. With some recrystalization on the pinacoid faces. To increase esthetics, a very bright Chalcopyrite crystal is located in the center of the specimen.
The specimen is from the James Catmur collection and we’ll send the label with it.
Dalnjegorsk, Primorskij Kraj  Russia (±1994)

Specimen size: 5.8 × 4.3 × 2 cm = 2.3” × 1.7” × 0.8”

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

EF26R9: Group of translucent crystals of Quartz. They are slightly spindled and most of them are doubly terminated, and they have inclusions which clearly define phantoms.
Dalnjegorsk, Primorskij Kraj  Russia (±1990)

Specimen size: 8.1 × 6.2 × 2.9 cm = 3.2” × 2.4” × 1.1”

Main crystal size: 6 × 1.1 cm = 2.4” × 0.4”

TX99N9: Polysynthetic growths of crystals of Sphalerite with very well defined faces and edges, with very bright cube-octahedral crystals of Galena, small laminar crystals of Siderite and cubic crystals of Fluorite.
The sample, complete and free of damage, is from the collection of James Catmur (num. B484), whose label we’ll send to the buyer of the piece.
Dalnjegorsk, Primorskij Kraj  Russia (1996)

Specimen size: 12.5 × 7.5 × 4.6 cm = 4.9” × 3.0” × 1.8”

Main crystal size: 4 × 3.5 cm = 1.6” × 1.4”

M17L: Calcite with an unusual habit.
Dalnjegorsk, Primorskij Kraj  Russia (1997)

Specimen size: 8 × 6 cm = 3.1” × 2.4”

TX47J3: This prismatic crystal has an extraordinarily intense color, red with mauve shades. It has a magnificent definition of faces and edges and also magnificent are the luster and transparency.
Sosedka pegmatite, Malkhan, Chitinskaya Oblast, Transbaikal  Russia (07-08/2006)

Specimen size: 2.8 × 1.2 × 1 cm = 1.1” × 0.5” × 0.4”

S177S: Very unusual crystals of Bornite on quartz - we have never seen another specimen with this crystallography from this locality. Well positioned on the quartz and esthetic.
Dzhezkazgan  Kazakhstan (1997)

Specimen size: 5.5 × 4.5 cm = 2.2” × 1.8”

TA89S0: A novelty at Tucson 2011. Group of very well developed crystals of native Copper, some of them perimorphs after Cuprite and coated by aggregates of octahedral crystals of the same species that are very bright and with slightly curved faces and edges.
Block 2-1, ↓100 m., Rubtsovskoye Mine, Rubtsovsk, Altai Kraj, Siberia  Russia (20-25/11/2010)

Specimen size: 6.8 × 6.2 × 3.4 cm = 2.7” × 2.4” × 1.3”

Main crystal size: 0.9 × 0.6 cm = 0.4” × 0.2”

TV90S0: A novelty at Tucson 2011. Arborescent growths of octahedral crystals of native Copper perimorphs after Cuprite and partially covered by octahedral crystals of the same species that are very bright with slightly curved faces and edges.
Block 2-1, ↓100 m., Rubtsovskoye Mine, Rubtsovsk, Altai Kraj, Siberia  Russia (20-25/11/2010)

Specimen size: 5.4 × 4.2 × 2.3 cm = 2.1” × 1.7” × 0.9”

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

TT91S0: Great group of octahedral crystals of Cuprite, very bright and with slightly curved faces and edges. They are on matrix and the crystals on the back are partially coated by native Silver.
Block 2-1, ↓100 m., Rubtsovskoye Mine, Rubtsovsk, Altai Kraj, Siberia  Russia (20-25/11/2010)

Specimen size: 6.5 × 7.7 × 4.2 cm = 2.6” × 3.0” × 1.7”

Main crystal size: 2.3 × 2.3 cm = 0.9” × 0.9”

MN69R8: Group of very well defined octahedral crystals with slightly curved faces and edges and very rare spongy growths of native Silver in the interstices between crystals.
Rubtsovskoye Mine, Rubtsovsk, Altai Kraj, Siberia  Russia (22/06/2010)

Specimen size: 3.5 × 3.2 × 3 cm = 1.4” × 1.3” × 1.2”

Main crystal size: 1.6 × 1.3 cm = 0.6” × 0.5”

TZ99N0: A novelty for Tucson 2009. Group of octahedral crystals with slight curvatures of faces and edges. They have excellent luster, with reddish reflections especially vivid under a strong light. The sample is from a recent find (July and August of 2008) at a Russian locality practically unknown until now.
Rubtsovskoye Mine, ↓100 m., Rubtsovsk, Altai Kraj, Siberia  Russia (06-08/2008)

Specimen size: 3.3 × 3.2 × 2.5 cm = 1.3” × 1.3” × 1.0”

Main crystal size: 2.2 × 1.6 cm = 0.9” × 0.6”

TR88N0: A novelty for Tucson 2009. Groups of very sharp small octahedral crystals with slight curvatures of faces and edges, excellent luster and reddish reflections especially vivid under a strong light. The Cuprite grew on dendritic Copper also in sharp crystals. Very esthetic. The sample is from a recent find (July and August of 2008) at a Russian locality practically unknown until now.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 29 in number 2009/2.
Rubtsovskoye Mine, ↓100 m., Rubtsovsk, Altai Kraj, Siberia  Russia (06-08/2008)

Specimen size: 4.7 × 3.4 × 3 cm = 1.9” × 1.3” × 1.2”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”

TT47N0: A novelty for Tucson 2009. Dendritic aggregate crystals, deformed but very sharp faces and edges. Partially covered by octahedral crystals of Cuprite and small crystals of Cerussite, which is a very uncommon paragenesis. The sample is from a recent find (July and August of 2008) at a Russian locality practically unknown until now.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Rivista Mineralogica Italiana’ on page 280 in number 2009/4
Rubtsovskoye Mine, ↓100 m., Rubtsovsk, Altai Kraj, Siberia  Russia (06-08/2008)

Specimen size: 3.3 × 3.1 × 2.3 cm = 1.3” × 1.2” × 0.9”

TG76L1: 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, Betpakdala, Karaganda Oblast  Kazakhstan (±1993)

Specimen size: 6.7 × 4.4 × 3.3 cm = 2.6” × 1.7” × 1.3”

Main crystal size: 3 × 2.6 cm = 1.2” × 1.0”

TR87M0: A huge size octahedron of Fluorite with echeloned growths that recall an Aztec pyramid. On a Quartz matrix partially covered by small Bertrandite crystals and Pyrite. A really great specimen.
Kara-Oba, Betpakdala, Karaganda Oblast  Kazakhstan (±1990)

Specimen size: 15 × 12.5 × 11.5 cm = 5.9” × 4.9” × 4.5”

Main crystal size: 12.5 × 11.2 cm = 4.9” × 4.4”

TR17K9: Group of crystals with dominant octahedron and cube. Violet color and large size, on a layer of small Muscovite crystals.
Kara-Oba, Betpakdala, Karaganda Oblast  Kazakhstan

Specimen size: 9.4 × 6.7 × 6.2 cm = 3.7” × 2.6” × 2.4”

Main crystal size: 5.9 × 5.7 cm = 2.3” × 2.2”

TT86L1: Dendritic floater growth, very aerial, with well defined crystals, superficially covered by a layer of Cuprite, that gives an elegant reddish color.
Itauz Mine, Dzhezkazgan  Kazakhstan (2007)

Specimen size: 7.5 × 2.5 × 0.4 cm = 3.0” × 1.0” × 0.2”

Main crystal size: 0.4 × 0.2 cm = 0.2” × 0.1”

TT37N4: Curved, extraordinarily elongated and flat crystal of native Copper that is on a dendritic smaller group. The Copper is partially coated by reddish Cuprite and small growths of Malachite. A very elegant piece.
Itauz Mine, Dzhezkazgan  Kazakhstan (2008)

Specimen size: 5.5 × 3.6 × 2.7 cm = 2.2” × 1.4” × 1.1”

Main crystal size: 4.4 × 1.3 cm = 1.7” × 0.5”

M14F: A well crystallized native copper floater.
Dzhezkazgan  Kazakhstan (1998)

Specimen size: 9.5 × 5.5 cm = 3.7” × 2.2”