PYRITE – Large Golden Striated Crystal, Niccioleta Mine, Italy

Excellent natural specimen of Pyrite from the historic Niccioleta Mine, Massa Marittima, Tuscany — one of Italy's most celebrated pyrite localities, world-renowned for producing exceptionally large, well-formed crystals.

The specimen features a large single crystal, showing brilliant golden, metallic surfaces and the characteristic striated faces that make Niccioleta pyrite instantly recognizable among collectors — fine parallel grooves running across the cube faces, reflecting light in a spectacular, scenic way.

The Niccioleta Mine closed before 1984, meaning no new material has entered the market for decades. Large, well-crystallized pyrite specimens of this quality are becoming increasingly scarce, adding to their long-term collector value.

A brilliant, high-impact specimen, ideal for collectors and display, representing one of Italy's most historically important mineral localities.

Pyrite forms in a wide range of geological environments, including hydrothermal veins, sedimentary rocks and metamorphic deposits; at Niccioleta it developed within a massive sulfide ore body associated with skarn-type mineralization.

The striated faces visible on this crystal are a well-documented crystallographic feature, caused by oscillatory growth between the cube {100} and pyritohedron {210} crystal forms — as the crystal grows, it alternates rapidly between these two closely related forms, leaving fine parallel striations across what would otherwise be smooth cube faces. This is a classic, recognizable trait of well-formed pyrite crystals worldwide, and particularly fine at this locality.

• Formula: FeS₂
• Key chemical elements: Iron (Fe), Sulfur (S)
• Hardness (Mohs scale): 6 – 6.5
• Mineral class: Sulfides
• Crystal system: Isometric (Cubic)
• Crystal habit: Large single striated cube, oscillatory combination of cube and pyritohedron
• Formation: Massive sulfide ore body with skarn-type mineralization
• Color: Brassy gold with bright metallic luster

Pyrite is nicknamed "fool's gold" for its metallic golden luster, which has led to mistaken identity throughout history — though pyrite is considerably lighter and harder than real gold, and its crystals are typically much more angular and well-formed.

Historically, Niccioleta was also the site of a tragic WWII-era massacre in 1944, making the mine and its surrounding area a place of both mineralogical and historical significance in Tuscany.

In crystal healing traditions, Pyrite is regarded as a stone of protection, abundance and confidence, valued for its bright, reflective golden luster reminiscent of gold. 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.