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The first operational phase involved selectively detaching only those crystals that had been reattached during past interventions. This was carried out using a localized solvent, carefully applied to avoid any interaction with the original matrix.
The procedure required a slow, calibrated approach, with virtually no margin for error. Each action was designed to isolate compromised materials without introducing new stress to the structure.
Once detached, the specimen underwent a controlled cleaning phase. Non-aggressive chemical agents were selected to remove residues and surface alterations while fully preserving color, surface texture, and crystallographic integrity.
This phase is essential to restore a neutral and stable base before any reintegration can be considered.
👉 MCP Lab — conservative cleaning is a structural, not aesthetic, process.
👨🏼🔬 Conservative restoration and museum preparation.
🔬 Museum specimen — Intervention phase: selective detachment and chemical cleaning
📍 Grotta d’Oggi, Elba Island, Italy
💎 Polychrome tourmaline – Museum specimen – Selected by Federico Pezzotta and Alessandro Paladini
🏛️ Collection: Mineralogy Museum, University of Florence
📸 Photo @federico_picciani
#mineralpreparation #museumrestoration #heritagecare #tourmaline #elba #mcpitaly
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Magic doesn't only happen underground!
Trying to make iron out and super glue sound fancy 🤣
Preparing a museum specimen follows a different logic than working on a piece from a private collection. In this context, every gesture must remain faithful to a history that predates the intervention itself.
The guiding question is not “how can it be improved?”, but “how can its readability be restored without altering it?”.
This distinction defines one of the most delicate areas of laboratory work.
This large cluster of polychrome tourmalines from Grotta d’Oggi, Elba Island — over 30 centimeters in diameter, with main crystals exceeding 7 cm — carried a long history of previous restorations. Old adhesives, yellowed resins, and consolidations no longer suitable had accumulated over time.
The challenge was clear: intervene without modifying the specimen’s morphology, as its shape has been documented since 1883 and is itself part of the specimen’s historical heritage.
👉 MCP Lab — museum-grade restoration begins with historical and material analysis.
👨🏼🔬 Conservative restoration and museum preparation.
🔬 Museum specimen — Preliminary assessment and conservation planning
📍 Grotta d’Oggi, Elba Island, Italy
💎 Polychrome tourmaline – Museum specimen – Selected by Federico Pezzotta and Alessandro Paladini
🏛️ Collection: Mineralogy Museum, University of Florence
📸 Photo @federico_picciani
#mineralpreparation #museumrestoration #heritagecare #tourmaline #elba #mcpitaly
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The final result restores the specimen’s original harmony, allowing the crystal group to recover its structural integrity and visual readability.
The intervention remains stable, documented, and fully respectful of the specimen’s original morphology.
In cases like this, the goal is not to improve the specimen, but to preserve it. Restoration is applied only where necessary, with the sole intention of returning coherence to a structure that would otherwise remain fragmented.
👉 MCP Lab — contact us to evaluate the most appropriate restoration options for your specimens.
👨🏼🔬 Mineral preparation and restoration.
🔬 Restored specimen — Intervention: reassembly of fragments with high-tech resins
📍 Tsumeb Mine, Namibia
💎 Cerussite — twinned aggregate – Specimen worked in MCP Lab – Selected by Federico Pezzotta and Alessandro Paladini
📸 Photo Federico Picciani
#mineralpreparation #restoration #crystalrepair #cerussite #tsumeb #mcpitaly
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Only after verifying geometries, angles, and optical compatibility could the bonding phase proceed.
Each fragment was repositioned according to the original crystallographic orientation, with constant control of alignment and contact pressure.
This type of work is measured in hundredths of a millimeter and requires stable positioning, controlled movements, and continuous visual verification. The objective is to restore structural continuity without introducing stress or artificial tension within the crystal group.
At this stage, precision is not a choice, but a requirement.
👉 MCP Lab — fragile materials demand controlled techniques and dedicated protocols.
👨🏼🔬 Mineral preparation and restoration.
🔬 Restored specimen — Intervention phase: fragment bonding with high-tech resin
📍 Tsumeb Mine, Namibia
💎 Cerussite — twinned aggregate – Specimen worked in MCP Lab – Selected by Federico Pezzotta and Alessandro Paladini
📸 Photo Federico Picciani
#mineralpreparation #restoration #crystalrepair #cerussite #tsumeb #mcpitaly
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Once cleaning was completed, the study phase began.
This stage involves a patient and methodical analysis aimed at identifying the original position of each fragment and establishing the correct sequence for reintegration.
With cerussite, precision is mandatory. Contact points are extremely thin, the tolerable pressure is minimal, and the high-tech resins used for bonding, while offering excellent mechanical strength, are irreversible once cured. Any misalignment at this stage would compromise both stability and readability.
For this reason, no bonding is attempted before the geometry of the entire structure is fully understood.
👉 MCP Lab — every repair begins with analysis, not action.
👨🏼🔬 Mineral preparation and restoration.
🔬 Restored specimen — Study phase: fragment mapping and reintegration planning
📍 Tsumeb Mine, Namibia
💎 Cerussite — twinned aggregate – Specimen worked in MCP Lab – Selected by Federico Pezzotta and Alessandro Paladini
📸 Photo Federico Picciani
#mineralpreparation #restoration #crystalrepair #cerussite #tsumeb #mcpitaly
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