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RM1553   Quartz var. Chalcedony
SiO₂
  -  4. Oxides and hydroxides

A floater nodule with blackish and whitish spheroidal forms with some visible crystalline faces. They're a silicified fossil sponge which have preserved the original morphology of the biological specimens.

Size: 6.7 x 3.6 x 3.0 cm.
Found in 2016
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RM1555   Quartz var. Chalcedony
SiO₂
  -  4. Oxides and hydroxides

A floater nodule with blackish and whitish spheroidal forms with some visible crystalline faces. They're a silicified fossil sponge which have preserved the original morphology of the biological specimens.

Size: 4.4 x 3.2 x 3.0 cm.
Found in 2016
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RM1485   Malachite with quartz and calcite
Cu₂(CO₃)(OH)₂
  -  5. Carbonides and nitrates

Superb and brilliant specimen formed by botryoidal aggregates of malachite, of intense green color, and covered by small hyaline quartz crystals. Quartz gives it this aesthetic brilliance. Matrix is formed by a stockwork of altered chalcopyrite. Malachite specimens from this locality and with this shape are unusual.

Size: 8.7 x 5.5 x 5.0 cm.
Found in 2016.
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RM1494   Vanadinite with coronadite, mottramite and goethite
Pb₅(VO₄)₃Cl
  -  8. Phosphates, arsenates and vanadates

Two generations of vanadinite crystals. A good-sized brilliant crystals, with echeloned growths and defined faces and edges. With good color yellow and peppered by deep black coronadite globular aggregates and covering the matrix. Another generation shows small crystals (<1 mm) but with a nice luster, transparence, and yellowish tone. Both are on goethite with mottramite crystals.

Size: 8.5 x 7.7 x 4.6 cm.
Found in 2012
35 €
RM1509   Wulfenite and baryte
Pb(MoO₄)
  -  7. Sulfates, chromates, molybdates and wolframates

In this good size specimen we can observe a group of tabular wulfenite crystals showing well defined faces and parallel growths. They are interpenetrated between them and accompanied by small but perfect tabular wulfenite crystals on matrix. The brilliance is excellent and in thin parts they show transparence. They are very aerial disposed on a matrix of baryte crystals, with cerussite and dolomite.

Size: 9.8 x 7.8 x 4.5 cm.
Main crystal: 17 x 15 mm.
Found in 12/2012.
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RM1461   Calcite
Ca(CO3)
  -  5. Carbonides and nitrates

Very aesthetic calcite specimen showing groups of scalenohedral sharp crystals, with transparence that allow to see reddish geometric inclusions. On a matrix with chalcopyrite and marcassite. Ver unusual for the locality.

Size: 7.5 x 4.7 x 3.5 cm.
Main crystal: 20 x 10 mm.
Found in 2016
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RM1427   Skutterudite with dolomite

Very brilliant group of interpenetrated cube-octahedral skutterudite crystals, with very well defined faces and edges. They are included in a matrix with pinkish dolomite, NOT acidified. Very aesthetic and sized.

Size: 5.5 x 5.0 x 3.5 cm.
Main crystal: 14 x 14 mm.
Found in 2015.
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RM1429   Baryte
Ba(SO4)

Very aesthetic group of tabular baryte crystals, with a delicate blue color, brilliant and transparent. Damage free, with some goethite inclusions. Very aerial disposed on the matrix.

Size: 5.0 x 4.5 x 3.5 cm.
Main crystal: 40 x 30 mm aggr.
RM1430   Baryte
Ba(SO4)

Very aesthetic group of tabular baryte crystals, with a delicate blue color, brilliant and transparent. Damage free. Very aerial disposed on the matrix.

Size: 6.0 x 4.5 x 3.6 cm.
Main crystal: 28 x 20 mm. aggr.
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RM1383   Fluorapatite with hornblende
Ca₅(PO₄)₃F
  -  8. Phosphates, arsenates and vanadates

Group of sharp fluorapatite crystals of good size showing parallel growth, an elongated prism with vertical striations, and multiple terminal faces truncated by the pinacoid. Good brilliance, translucent and a very distinctive greenish yellow color. They present numerous inclusions of flattened prismatic deep black crystals, also vertically striated and opaque. SEM-EDS analyses indicate that they probably belongs to the hornblende group, most likely magnesio-ferri-hornblende. We will send analysis to the buyer. A very aesthetic and aerial shape specimen.

Size: 7.0 x 3.0 x 3.0 cm.
Found in 2016.
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RM1384   Fluorapatite with hornblende
Ca₅(PO₄)₃F
  -  8. Phosphates, arsenates and vanadates

Group of sharp fluorapatite crystals of good size showing an elongated prism with vertical striations, and multiple terminal faces truncated by the pinacoid. Good brilliance, translucent and a very distinctive greenish yellow color. They present numerous inclusions of flattened prismatic deep black crystals, also vertically striated and opaque. SEM-EDS analyses indicate that they probably belongs to the hornblende group, most likely magnesio-ferri-hornblende. We will send analysis to the buyer. A very aesthetic and aerial shape specimen.

Size: 7.5 x 4.5 x 2.2 cm.
Main crystal: 13 x 13 mm.
Found in 2016.
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RM1385   Anglesite
Pb(SO4)

Aesthetic anglesite specimen that shows a rich group of crystals with a razor-sharp chisel terminations, striated faces characteristic of the species, very sharp and with good transparency and colorless. This specimen date to the late 1970s and were found in the well known Moroccan mining area of Touissit.

 

Size: 7.5 x 6.0 x 3.7 cm.
Main crystal: 12 x 10 mm.
Found in ±1975.
Fluorescent under long wave UV
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RM1319   Pyrite with quartz
  -  0.

Very brilliant specimen formed by numerous polysynthetic growths of octahedral pyrite crystals. The golden color is superior and brilliance, as we said before, is really excellent. With white milky quartz. A fine piece from a not well represented locality.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 6.8 x 5.2 x 4.5 cm.
Main crystal: 10 x 9 mm.
Found in 2013.
45 €
RM1314   Baryte with inclusions and marcasite
Ba(SO4)

Pure brilliance, pure aesthetics. Group of tabular crystals of baryte showing curved shape with a slightly yellowish tone. Transparent to translucent, with zoned inclusions. It is accompanied by twinned and brilliant crystals of marcasite. A true delicacy.

Size: 6.0 x 5.2 x 3.0 cm.
Found in 2013.
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RM1358   Baryte with marcasite, pyrite and quartz
Ba(SO4)

Fine specimen that shows aggregates of tabular crystals of baryte, with a slight yellowish tone, transparent to translucent, brilliant and with defined faces and edges. Accompanied by several marcasite crystals showing various twins, such as "cockscomb", as aggregates or very aesthetic individual crystals. On a quartz matrix.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 7.8 x 6.5 x 3.5 cm.
Found in 2013.
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RM1356   Galena with chalcopyrite, marcasite and quartz
PbS
  -  2. Sulfides and sulfosalts

Very rich group of cubic-octahedral galena crystals, well defined faces and edges, partially covering the rocky matrix. They accompanied by aggregates of marcasite, some baryte, and brilliant chalcopyrite.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 5.5 x 5.0 x 4.5 cm.
Main crystal: 10 x 10 mm. galena
Found in 2013.
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RM1317   Marcasite on baryte
FeS₂
  -  2. Sulfides and sulfosalts

Bright specimen that consists of parallel aggregates of tabular baryte crystals on which we can observe various groups of marcasite crystals, many isolated, twinned, flattened and with good brightness. Very representative for the species and with an interesting mineral balance.

Size: 5.8 x 5.5 x 3.5 cm.
Main crystal: 15 x 10 mm. marc.
Found in 2013.
40 €
RM1315   Galena with pyrite, marcasite and quartz
PbS
  -  2. Sulfides and sulfosalts

Group of cubic galena crystals with an exceptional size for the locality, brilliant and very sharp. They are disposed on an matrix partially covered of small quartz crystals. We can observe pyrite and marcasite on the matrix.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 5.5 x 5.2 x 3.2 cm.
Main crystal: 8 x 8 mm.
Found in 2013.
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RM1342   Albite with quartz, epidote, actinolite and magnetite
Na(AlSi3O8)

Large group of prismatic crystals of albite, well defined, beige color and interpenetrating each other. They're accompanied by numerous aggregates of prismatic crystals of epidote, fibrous actinolite and smoky quartz crystals. Highlights small magnetite octahedral crystals those are placed in the cavities of the specimen. They were sold as orthoclase but a recent XRD analysis I have done indicates that it is albite (2/15/2024). Maybe more interesting.

Size: 9.3 x 6.5 x 6.0 cm.
Main crystal: 17 x 10 mm. ort.
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RM1322   Quartz var. smoky-amethyst with orthoclase, epidote and actinolite
SiO₂
  -  4. Oxides and hydroxides

Druse formed by a group of quartz var. amethyst-smoky crystals, showing defined faces and edges, from translucent to transparent. One has a small notch in its upper face. They are disposed on a matrix of feldspar, probably orthoclase, with prismatic crystals of green epidote and fibrous actinolite.

Size: 6.5 x 6.0 x 5.5 cm.
30 € 30 €
RM1321   Arfvedsonite with zircon and feldspar
NaNa2(Fe2+4Fe3+)Si8O22(OH)2

Group of prismatic arfvedsonite crystals, showing parallel growth, one of the predominant and elongated. With striated faces and polycrystalline terminal faces. Dark green color, near black, in a feldspar matrix with very small prismatic zircon orange crystals.

Size: 8.5 x 6.8 x 5.5 cm.
Main crystal: 40 x 28 mm.
Found in 2011.
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RM1325   Galena with pyrite, marcasite and quartz
PbS
  -  2. Sulfides and sulfosalts

Rich group of galena cube-octahedral crystals, some of them complex, defined faces and edges, and with a better quality than usual for the locality. They are disposed on a matrix covered by small and brilliant quartz crystals. Accompanied by several aggregates of golden twinned marcasite sharp crystals, brilliant, with aggregates pyrite. Very fine specimen.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 13.5 x 8.5 x 6.0 cm.
Main crystal: 7 x 6 mm. galena
Found in 2013.
45 €
RM1345   Galena with sphalerite, pyrite, marcasite and quartz
PbS
  -  2. Sulfides and sulfosalts

Group of aesthetic cube-octahedral galena crystals, defined faces and edges, and with a better quality than usual for the locality. They are disposed on a matrix covered by brilliant quartz crystals. Accompanied by aggregates of honey color sphalerite complex crystals. With pyrite and flattened twinned marcasite. A huge size displayable specimen.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 13.0 x 11.5 x 5.8 cm.
Main crystal: 12 x 11 mm.
Found in 2013.
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RM1353   Pyrite with galena and marcasite
  -  0.

A miniature but very aesthetic specimen formed by a globular aggregate of pyrite crystals, cubic appearance and striated faces. It is disposed very aerial on a matrix with nice crystals of galena and marcasite.
These mines are located approximately 50 km south of Alnif, near the border with Algeria. This area was already mined in medieval age for the extraction of copper. In the 60s of the last century, French companies expanded shafts and mineral extraction.

Size: 5.1 x 4.3 x 2.6 cm.
Main crystal: 20 x 18 mm. py
Found in 2013.
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RM1349   Arfvedsonite with zircon and feldspar
NaNa2(Fe2+4Fe3+)Si8O22(OH)2

Group of prismatic arfvedsonite crystals, showing parallel growth, one of the predominant and elongated. With striated faces and polycrystalline terminal faces. Dark green color, near black, in a feldspar matrix with very small prismatic zircon orange crystals.

Size: 6.5 x 3.8 x 3.5 cm.
Main crystal: 62 x 15 mm.
Found in 2011.
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