HEMATITE with MAGNETITE – Rare Lustrous Crystals on Talc, Sardinia, Italy

Excellent natural specimen of Hematite with Magnetite from the San Francesco Mine, Orani, Nuoro Province, Sardinia, Italy — a locality primarily worked for talc, where well-crystallized specimens of these iron oxide minerals are exceptionally uncommon.

The specimen displays lustrous, sparkling crystals of both hematite and magnetite, well developed and clearly defined, sitting directly on natural talc matrix. The soft, pale talc creates a striking aesthetic contrast against the dark, metallic-lustered iron oxide crystals, giving the piece strong visual impact.

Crystals of this size and quality from this specific locality are genuinely difficult to source, as San Francesco Mine's primary production has always been industrial talc rather than collector-grade iron oxide minerals.

A rare and scenic specimen, ideal for collectors seeking uncommon Italian material with both mineralogical and aesthetic value.

Hematite (Fe₂O₃) and Magnetite (Fe₃O₄) are both iron oxide minerals that commonly form together in metamorphic and hydrothermal environments, including talc-chlorite schist bodies like those at Orani. Hematite typically develops tabular to rhombohedral crystals, while magnetite characteristically forms octahedral crystals — both frequently occurring with a bright, metallic to submetallic luster, as seen in this specimen.

The dark color of both minerals comes directly from their iron content: hematite in its fully oxidized Fe³⁺ state, magnetite containing a mix of Fe²⁺ and Fe³⁺ ions. This mixed iron valence in magnetite is also responsible for its natural magnetic properties, a rare trait among common minerals.

• Formula: Fe₂O₃ (Hematite), Fe₃O₄ (Magnetite)
• Mineral class: Oxides
• Crystal system: Trigonal (Hematite), Isometric/Cubic (Magnetite)
• Crystal habit: Tabular to rhombohedral crystals (Hematite), octahedral crystals (Magnetite)
• Formation: Talc-chlorite schist / metamorphic-hydrothermal environment
• Key chemical elements: Iron (Fe), Oxygen (O)
• Color: Dark grey to black, with metallic luster
• Special feature: Magnetite is naturally magnetic

Hematite and magnetite are both iron oxide minerals and often form together in the same geological environments, sometimes even altering from one to the other over time. Magnetite is one of the few minerals with strong natural magnetism, a property you can often test directly with a simple magnet.

The San Francesco Mine in Orani has historically been worked for talc rather than iron oxides, making well-formed hematite and magnetite crystals from this specific site an uncommon find, even among Sardinian mineral specimens.

In crystal healing traditions, Hematite is regarded as a grounding stone, associated with strength, stability and protection. Magnetite, given its natural magnetic properties, is often linked symbolically to balance and attraction. These interpretations are not scientifically proven.

Photos: All photographs are taken under professional lighting conditions to accurately highlight crystal structure, color and detail. However, slight variations in tone and appearance may occur depending on screen calibration and ambient lighting conditions.

Shipping: is handled through selected reliable express couriers, with fast delivery (often 1–2 business days within Europe), full tracking, insurance coverage and professional protective packaging, as confirmed by customer feedback and reviews.

Multiple purchases can be consolidated into a single shipment, including items from different auctions or separate orders, by simply contacting us to arrange combined shipping. For high-value specimens, direct delivery by appointment is also available, either at home or at major European mineral shows and fairs.