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Helvine with Ilvaite, Quartz and Chlorite.
TF72AD6: Helvine with Ilvaite, Quartz and Chlorite
Rosette growth of very sharp tetrahedral Helvine crystals that have well defined faces and edges. With the Helvine there are large Ilvaite crystals with polycrystalline surfaces and also very elongated Quartz crystals with parallel growths perpendicular to their main axis. All them are on matrix and partially coated by chlorite, which is also included in the Quartz. The sample is of an exceptional quality, among the best found at Huanggang. We’ll send a copy of the Helvine analysis to the buyer of the sample.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2012)
Specimen size: 13 × 10.5 × 17 cm = 5.1” × 4.1” × 6.7”

Price: Euro:7400 / US$8773 / Yen:985080 / AUD$11220
Helvine with Magnetite and Garnet.
TR91Z0: Helvine with Magnetite and Garnet
Group of very sharp tetrahedral Helvine crystals with very well defined faces and edges, a very intense luster, deep color and on matrix. The crystals, carefully analyzed, note the absence of Genthelvite, so the crystals are only Helvine. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2012)
Specimen size: 5.8 × 3.9 × 2.8 cm = 2.3” × 1.5” × 1.1”

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

Price: Euro:680 / US$806 / Yen:90520 / AUD$1030
Helvine with Quartz.
TJ74W1: Helvine with Quartz
Group of very sharp tetrahedral crystals with very well defined faces and edges. They are brown, with reddish reflections, and are locally coated by small crystals of Quartz. Analysis indicates that it is really Helvine, both externally and in the interior. We'll send both analytical results (external and internal) to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2011)
Specimen size: 4.8 × 4.1 × 3.5 cm = 1.9” × 1.6” × 1.4”

Price: Euro:960 / US$1138 / Yen:127790 / AUD$1450
Helvine with Quartz.
TK16W1: Helvine with Quartz
Group of very sharp tetrahedral crystals with very well defined faces and edges. They are brown, with reddish reflections, and are with a group of Quartz crystals in parallel growths. Careful analyses indicate it is really Helvine, both externally and in the interior. We'll send both analytical results (external and internal) to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2011)
Specimen size: 8.9 × 6 × 6.2 cm = 3.5” × 2.4” × 2.4”

Main crystal size: 3.5 × 3 cm = 1.4” × 1.2”

Price: Euro:1100 / US$1304 / Yen:146430 / AUD$1660
Helvine with Quartz.
MJ27Z5: Helvine with Quartz
Aggregate of very sharp tetrahedral Helvine crystals with very well defined parallel growths and partially coated by Quartz crystals. The crystals have been Raman analyzed on their surface and in the interior, both analyses giving Helvine. We will send a copy of the analysis to the buyer. Due the size and perfection of the crystals it is a sample worthy being in a Museum.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 6.1 × 5 × 4.1 cm = 2.4” × 2.0” × 1.6”

Price: Euro:2200 / US$2608 / Yen:292860 / AUD$3330
Helvine with Spessartine and Chlorite.
MH89X4: Helvine with Spessartine and Chlorite
Very sharp Helvine crystals formed by the positive and negative rhombohedron, with the color between dark honey brown and yellow and implanted on a matrix coated by leafy aggregates of Chlorite and with orange trapezohedral Spessartine crystals. The species has been analyzed and we'll send a copy of the analysis to the buyer.
Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian Province  China (±2004)
Specimen size: 8.2 × 5.1 × 3.5 cm = 3.2” × 2.0” × 1.4”

Main crystal size: 2 × 1.9 cm = 0.8” × 0.7”

Price: Euro:480 / US$569 / Yen:63890 / AUD$720
Helvine-Danalite with Quartz and Chlorite.
EA40Z2: Helvine-Danalite with Quartz and Chlorite
Group of very sharp tetrahedral Helvine-Danalite crystals with a dark brown color and reddish shades. The group is on matrix, with Calcite and Chlorite. The crystals have zonal growths, so we have done an external and an internal analysis, the external one showing Danalite and the internal Helvine. We’ll send a copy of both analysis to the buyer. We specially note that Danalite, the iron rich member of the series, is very uncommon, being very rare on the samples where it is present.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 3.4 × 2.4 × 2.5 cm = 1.3” × 0.9” × 1.0”

Price: Euro:490 / US$580 / Yen:65220 / AUD$740
Helvine-Genthelvite with Calcite and Magnetite.
E36X6: Helvine-Genthelvite with Calcite and Magnetite
Group of very sharp tetrahedral crystals on matrix, with Calcite and Magnetite. They have very well defined faces and edges, and are very bright, with a salmon color. They are zoned so the crystals are Helvine inside and Genthelvite on their edges. The sample has been individually analyzed and we’ll send a copy of this analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2012)
Specimen size: 4.2 × 2.8 × 3.7 cm = 1.7” × 1.1” × 1.5”

Main crystal size: 0.8 × 0.5 cm = 0.3” × 0.2”

Price: Euro:150 / US$177 / Yen:19960 / AUD$220
Helvine-Genthelvite with Quartz.
TQ87Z7: Helvine-Genthelvite with Quartz
Aggregate of very sharp tetrahedral crystals, bright with dark a brown color and with small parallel Quartz aggregates. They are between transparent and translucent, as the picture under intense light shows, and this confers a special quality to the samples from this cavity. The sample has been analyzed showing dominant Helvine forming a solid solution with Genthelvite. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 2.9 × 2.2 × 1.6 cm = 1.1” × 0.9” × 0.6”

Price: Euro:280 / US$331 / Yen:37270 / AUD$420
Helvine-Genthelvite with Quartz.
TD88Z7: Helvine-Genthelvite with Quartz
Aggregate of very sharp tetrahedral crystals, bright with a dark brown color and with small parallel Quartz aggregates. They are between transparent and translucent, as the picture under intense light shows, and this confers a special quality to the samples from this cavity. The sample has been analyzed showing dominant Helvine forming a solid solution with Genthelvite. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 2.5 × 2.5 × 1.8 cm = 1.0” × 1.0” × 0.7”

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

Price: Euro:380 / US$450 / Yen:50580 / AUD$570
Helvine-Genthelvite with Quartz.
TB98Z7: Helvine-Genthelvite with Quartz
Aggregate of very sharp tetrahedral crystals, bright with a dark brown color and with small parallel Quartz aggregates. They are between transparent and translucent, as the picture under intense light shows, and this confers a special quality to the samples from this cavity. The sample has been analyzed showing dominant Helvine forming a solid solution with Genthelvite. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 3.8 × 2.9 × 2.6 cm = 1.5” × 1.1” × 1.0”

Price: Euro:420 / US$497 / Yen:55910 / AUD$630
Helvine-Genthelvite with Quartz and Calcite.
TP48Z7: Helvine-Genthelvite with Quartz and Calcite
Aggregate of very sharp tetrahedral crystals, bright with a dark brown color and with small parallel Quartz aggregates and a very flattened Calcite crystal with its contour complete. They are between transparent and translucent, as the picture under intense light shows, and this confers a special quality to the samples from this cavity. The sample has been analyzed showing dominant Helvine forming a solid solution with Genthelvite. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 2.9 × 2.2 × 2.4 cm = 1.1” × 0.9” × 0.9”

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

Price: Euro:340 / US$403 / Yen:45260 / AUD$510
Helvine-Genthelvite with Quartz and Calcite.
TP88Z7: Helvine-Genthelvite with Quartz and Calcite
Aggregate of very sharp tetrahedral crystals, bright with a dark brown color and with small parallel Quartz aggregates and a strongly flattened Calcite crystal with its contour complete. They are between transparent and translucent, as the picture under intense light shows, and this confers a special quality to the samples from this cavity. The sample has been analyzed showing dominant Helvine forming a solid solution with Genthelvite. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region  China (2013)
Specimen size: 3.2 × 3.1 × 2.3 cm = 1.3” × 1.2” × 0.9”

Price: Euro:380 / US$450 / Yen:50580 / AUD$570
Hematite.
EF48AF7: Hematite
Botryoidal mass with black concentric growths that contrast with a recrystallized red terminal phase with diffuse crystalline shapes. A British classic.
Florence Mine, Egremont, West Cumberland Iron Field, former Cumberland, Cumbria  England, United Kingdom
Specimen size: 11 × 10.3 × 5.5 cm = 4.3” × 4.1” × 2.2”

Price: Euro:320 / US$379 / Yen:42590 / AUD$480
Hematite after Magnetite (variety martite).
TG14Q4: Hematite after Magnetite (variety martite)
Parallel and skeletal growths of octahedral crystals, pseudomorphs after Magnetite, and almost completely covered by a second generation of laminar and bright crystals of Hematite.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 5.6 × 5.5 × 4.2 cm = 2.2” × 2.2” × 1.7”

Price: Euro:90 / US$106 / Yen:11980 / AUD$130
Hematite after Magnetite (variety martite).
EJ64Z1: Hematite after Magnetite (variety martite)
Aggregate of Hematite crystals pseudomorphous after Magnetite, with a very sharp octahedral shape, very well defined parallel growths and some of them with skeletal forms.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 7.2 × 3.8 × 4 cm = 2.8” × 1.5” × 1.6”

Main crystal size: 2.5 × 2 cm = 1.0” × 0.8”

Price: Euro:100 / US$118 / Yen:13310 / AUD$150
Hematite after Magnetite (variety martite).
EB26Z1: Hematite after Magnetite (variety martite)
Sharp doubly terminated crystal pseudomorphous after Magnetite. It is elongated, with very well defined skeletal forms and partially coated by small recrystallized lenticular Hematite crystals.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 6.6 × 4 × 3.6 cm = 2.6” × 1.6” × 1.4”

Price: Euro:130 / US$154 / Yen:17300 / AUD$190
Hematite after Magnetite (variety martite).
EQ6Z1: Hematite after Magnetite (variety martite)
Aggregate of Hematite crystals pseudomorphous after Magnetite, with a very sharp octahedral shape, some of them very elongated and almost completely coated by small lenticular recrystallized Hematite.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 7.4 × 6.3 × 4.7 cm = 2.9” × 2.5” × 1.9”

Main crystal size: 3.5 × 2.5 cm = 1.4” × 1.0”

Price: Euro:140 / US$165 / Yen:18630 / AUD$210
Hematite after Magnetite (variety martite).
EK56Q1: Hematite after Magnetite (variety martite)
Parallel growths of octahedral crystals, pseudomorphs of Magnetite, some of them unusually elongated and others with very well marked skeletal growths. On the faces of the Hematite a second generation of very bright thin small laminar crystals of the same mineral has formed.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 7.7 × 7.5 × 5.9 cm = 3.0” × 3.0” × 2.3”

Price: Euro:160 / US$189 / Yen:21290 / AUD$240
Hematite after Magnetite (variety martite).
EL66Q1: Hematite after Magnetite (variety martite)
Parallel growths of octahedral crystals, pseudomorphs of Magnetite with very well defined faces and edges. On the faces of the Hematite a second generation of very bright thin small laminar crystals of the same mineral has formed.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 9.7 × 7.7 × 5.7 cm = 3.8” × 3.0” × 2.2”

Main crystal size: 5 × 4.5 cm = 2.0” × 1.8”

Price: Euro:160 / US$189 / Yen:21290 / AUD$240
Hematite after Magnetite (variety martite).
EY56Z1: Hematite after Magnetite (variety martite)
Aggregate of Hematite crystals pseudomorphous after Magnetite, with a very sharp octahedral shape and some of them very elongated and almost completely coated by small lenticular recrystallized Hematite.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 9.2 × 6.6 × 7.3 cm = 3.6” × 2.6” × 2.9”

Price: Euro:160 / US$189 / Yen:21290 / AUD$240
Hematite after Magnetite (variety martite).
TY67Q1: Hematite after Magnetite (variety martite)
Extraordinarily acute parallel growth of octahedral crystals, pseudomorphs of Magnetite, with very well defined faces and edges and with very well marked skeletal growths. On the faces of the Hematite a second generation of very bright thin small laminar crystals of the same mineral has formed.
Payún Matru Volcano, Malargüe, Malargüe Department, Mendoza Province  Argentina (2008)
Specimen size: 10.6 × 5.1 × 4 cm = 4.2” × 2.0” × 1.6”

Main crystal size: 3.5 × 2 cm = 1.4” × 0.8”

Price: Euro:220 / US$260 / Yen:29280 / AUD$330
Hematite with Prehnite.
MH66AF3: Hematite with Prehnite
Flattened polycrystalline growths of very sharp Hematite crystals. They are black and very bright and are on a matrix of fan-like aggregates of Prehnite crystals. Unusual.
Imilchil area, Anti-Atlas, Er Rachidia Province, Meknès-Tafilalet Region  Morocco (2016)
Specimen size: 9.3 × 8.7 × 6.9 cm = 3.7” × 3.4” × 2.7”

Price: Euro:150 / US$177 / Yen:19960 / AUD$220
Hematite with smoky Quartz.
TC36G3: Hematite with smoky Quartz
Typical group of tabular crystals, bright and with the side edges very well shaped. The group stands on smoky Quartz. More aerial than usual.
Cavradi, Curnera Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden)  Switzerland
Specimen size: 4.1 × 2.3 × 1.8 cm = 1.6” × 0.9” × 0.7”

Main crystal size: 2.3 × 1.9 cm = 0.9” × 0.7”

Price: Euro:140 / US$165 / Yen:18630 / AUD$210
Hemimorphite.
TP67AF6: Hemimorphite
Fan-like aggregates, on limonite matrix, of transparent Hemimorphite crystals that are sharp, bright, and have excellent terminations. Some of them have reddish inclusions of Hematite. Transparent and colorless Calcite crystals are associated.
The sample is from the Vallecillo collection, Madrid.
Potosí Mine, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua  Mexico
Specimen size: 10.7 × 8.8 × 5.6 cm = 4.2” × 3.5” × 2.2”

Price: Euro:260 / US$308 / Yen:34610 / AUD$390

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