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Hauerite [MnS₂] – A complete reading of the species
This post presents three specimens of the same mineral: one matrix specimen and two isolated crystals. The decision to present them together comes from the desire to offer a complete reading of Sicilian Hauerite, simultaneously showing the relationship between the mineral and its formation environment alongside the different crystallographic expressions of the species.
Hauerite is in fact most commonly found as isolated crystals, detached from their original matrix and frequently incomplete. The extreme fragility of the argillite hosting them makes the preservation of the geological context particularly difficult.
Alongside the main specimen, the two isolated crystals allow a much clearer observation of the pure geometric forms characteristic of the species.
The dialogue between these elements creates a set that does not simply display three specimens, but reveals the different visual and scientific identities of Hauerite.
👉 This specimen is currently reserved. Contact us to discover other museum-level mineral specimens available through MCP.
💎 Hauerite set – Selected by Federico Pezzotta and Alessandro Paladini
📍 Destricella Mine, Raddusa, Catania, Sicily, Italy
📏 5,2 × 4,5 × 3,5 cm – Main crystal 3,2 cm
⚖️ 77 g
👨🏼🔬 MCP Lab – Preservation-focused preparation of a rare historical matrix specimen
📸 Photo @federico_picciani
#hauerite #rareminerals #sicily #crystals #mineralcollection #fineminerals #mcpitaly
![Hauerite [MnS₂] – A complete reading of the species
This post presents three specimens of the same mineral: one matrix specimen and two isolated crystals. The decision to present them together comes from the desire to offer a complete reading of Sicilian Hauerite, simultaneously showing the relationship between the mineral and its formation environment alongside the different crystallographic expressions of the species.
Hauerite is in fact most commonly found as isolated crystals, detached from their original matrix and frequently incomplete. The extreme fragility of the argillite hosting them makes the preservation of the geological context particularly difficult.
Alongside the main specimen, the two isolated crystals allow a much clearer observation of the pure geometric forms characteristic of the species.
The dialogue between these elements creates a set that does not simply display three specimens, but reveals the different visual and scientific identities of Hauerite.
👉 This specimen is currently reserved. Contact us to discover other museum-level mineral specimens available through MCP.
💎 Hauerite set – Selected by Federico Pezzotta and Alessandro Paladini
📍 Destricella Mine, Raddusa, Catania, Sicily, Italy
📏 5,2 × 4,5 × 3,5 cm – Main crystal 3,2 cm
⚖️ 77 g
👨🏼🔬 MCP Lab – Preservation-focused preparation of a rare historical matrix specimen
📸 Photo @federico_picciani
#hauerite #rareminerals #sicily #crystals #mineralcollection #fineminerals #mcpitaly](https://www.mcp-italy.com/wp-content/plugins/custom-facebook-feed-pro/assets/img/placeholder.png)
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Hauerite [MnS₂] – Geometries preserved through time
There are minerals that immediately capture attention through color or brilliance. Hauerite belongs to a different category: minerals that reveal their strength through geometry, rarity, and the exceptional preservation of their geological context.
The centerpiece of this group is the matrix specimen from the historic Destricella Mine in Raddusa, one of the world’s most iconic localities for the species. The most extraordinary aspect of the piece is not only the remarkable size of the main crystal, but the exceptional preservation of its original matrix.
The argillite hosting these crystals is extremely friable and fragile; for this reason, historical specimens almost always lost their matrix either during extraction or over time. In this example, however, the relationship between the crystal and its geological environment remains surprisingly intact and readable.
👉 This specimen is currently reserved. Contact us to discover other museum-level mineral specimens available through MCP.
💎 Hauerite set – Selected by Federico Pezzotta and Alessandro Paladini
📍 Destricella Mine, Raddusa, Catania, Sicily, Italy
📏 5,2 × 4,5 × 3,5 cm – Main crystal 3,2 cm
⚖️ 77 g
👨🏼🔬 MCP Lab – Preservation-focused preparation of a rare historical matrix specimen
📸 Photo @federico_picciani
#hauerite #sicilyminerals #crystallography #sulfides #mineralcollection #fineminerals #mcpitaly
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Prezzo, grazie
Fantástico cristal. Imposible hallarlo de semejante calidad
Sehr schön und interessant Glückwunsch
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O R D E R F R O M C H A O S
MCP is proud to announce the acquisition of the Giazotto Collection, a world-class assemblage built through a lifetime of research guided by a vision capable of transforming the primordial disorder of matter into a rigorous, coherent, and deeply recognizable structure.
Each specimen is the result of a radical selection process shaped by mineralogical knowledge, aesthetic sensitivity, and an extraordinary ability to recognize rarity far beyond the immediate appearance of a piece. The collection was never conceived through accumulation, but through a precise curatorial approach in which every specimen interacts with the others, contributing to the construction of a unique and unrepeatable mineralogical architecture.
Exceptional crystallographies, rare mineral associations, historical localities, and reference-level specimens converge into a heritage that preserves not only collecting value, but also historical and scientific significance. Some specimens will intentionally remain hidden for some time. Others will progressively emerge, revealing the depth and uniqueness of this extraordinary acquisition.
For MCP, this moment represents far more than an achievement. It means embracing the curatorial responsibility of preserving, studying, and enhancing one of the most significant mineral collections to emerge in recent years within the international mineralogical landscape.
👉 Contact us to discover selected museum-level mineral specimens available through MCP.
💎 Giazotto Collection
📸 Video @federico_picciani
#fineminerals #mineralcollection #museumspecimen #crystallography #mineralogy
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The pyromorphite looks incredible from Bunker Hill.
Quindi sara esposto al publico collezione di Adalberto Giazotto?
Fluorite [CaF₂] – Structure and internal phenomena
Fluorite crystallizes in the cubic system, one of the most direct expressions of symmetry in nature, allowing the formation of highly regular geometries with flat faces and sharp edges.
The violet coloration is linked to lattice defects known as color centers, formed during crystal growth. These are not superficial pigments, but structural variations within the mineral itself.
Internal bands and nuclei reflect shifts in physico-chemical conditions, giving each specimen its own unique internal architecture.
👉 Specimen available – Contact us for details
💎 Fluorite – Cubic system with color zoning
📍 Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
📏 9 × 7 × 2.5 cm
👨🏼🔬 MCP Lab – Mineral preparation. Specimen selected by Federico Pezzotta and Alessandro Paladini.
📸 Photo @federico_picciani
#fluorite #crystalstructure #mineralogy #geology #crystals #fineminerals
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Fluorite [CaF₂] – A recent, already classic production
Since the 1970s, the Okorusu Mine has produced specimens that have shaped the collectors’ market through their variety, transparency and distinctive internal features, building a recognizable identity over decades.
This specimen, dating from approximately 2008 to 2013, belongs to a more recent production phase, yet already appreciated for the clarity of its crystals and the readability of its internal structures.
The purple “phantoms” are not only present, but evenly distributed within the cubes, enhancing both aesthetic balance and structural legibility.
👉 Specimen available – Contact us for details
💎 Fluorite – Well-defined crystals with internal phantoms
📍 Okorusu Mine, Otjiwarongo Constituency, Otjozondjupa Region, Namibia
📏 9 × 7 × 2.5 cm
👨🏼🔬 MCP Lab – Mineral preparation. Specimen selected by Federico Pezzotta and Alessandro Paladini.
📸 Photo @federico_picciani
#fluorite #mineralcollection #namibia #crystals #fineminerals #mineralogy
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