{"product_id":"galena-quartz-with-chalcopyrite-greystone-quarry-lezant-cornwall","title":"Galena \u0026 Quartz with Chalcopyrite | Greystone Quarry, Lezant, Cornwall","description":"\u003cp\u003eAn impressive Cornish mineral specimen featuring metallic silver-grey Galena crystals alongside contrasting white and translucent Quartz, with reported Chalcopyrite inclusions. Originating from Greystone Quarry near Lezant, Cornwall, this substantial 715g specimen is a striking example of the mineral diversity found within the county's historic geological landscape.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis beautiful specimen displays an extensive covering of metallic Galena, forming interlocking, angular crystals with brilliant silvery-grey reflective surfaces.\u003c\/p\u003e\n\n\u003cp\u003eMany of the Galena crystals show characteristic cubic forms, stepped faces and visible cleavage features. Their bright metallic lustre creates dramatic flashes of silver as the specimen is viewed from different angles.\u003c\/p\u003e\n\n\u003cp\u003eInterspersed throughout the Galena are contrasting areas of milky white and translucent Quartz, including larger crystalline masses and smaller sparkling crystal surfaces.\u003c\/p\u003e\n\n\u003cp\u003eSubtle darker grey mineralisation and occasional warmer-toned areas add further variation to the specimen. Chalcopyrite has also been reported as an associated mineral, although individual inclusions cannot be conclusively identified from photographs alone.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen has a broad, naturally irregular formation, with substantial exposed crystal growth across its principal display face. Its weight and impressive dimensions make it particularly suitable for a dedicated mineral cabinet or statement display.\u003c\/p\u003e\n\n\u003ch3\u003eAbout the Minerals\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eGalena (PbS)\u003c\/strong\u003e is a lead sulphide mineral and the principal ore of lead. It belongs to the cubic crystal system and is recognised for its distinctive lead-grey colouring, brilliant metallic lustre and perfect cubic cleavage.\u003c\/p\u003e\n\n\u003cp\u003eGalena commonly develops within hydrothermal mineral veins, where hot mineral-bearing fluids circulate through fractures in surrounding rocks and deposit sulphide minerals as conditions change.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuartz (SiO₂)\u003c\/strong\u003e is a silicon dioxide mineral belonging to the trigonal crystal system. It frequently occurs alongside metallic sulphide minerals within mineralised veins, providing a striking contrast between translucent crystalline material and opaque metallic growth.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eChalcopyrite (CuFeS₂)\u003c\/strong\u003e is a copper iron sulphide mineral and an important ore of copper. It commonly has a brassy yellow metallic appearance and may occur alongside Galena and Quartz in hydrothermal mineral deposits.\u003c\/p\u003e\n\n\u003cp\u003eThe association of these minerals reflects the complex geological processes responsible for mineral formation in Cornwall and other metalliferous regions.\u003c\/p\u003e\n\n\u003ch3\u003eGeological Information\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Mineral:\u003c\/strong\u003e Galena (Lead Sulphide, PbS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssociated Mineral:\u003c\/strong\u003e Quartz (Silicon Dioxide, SiO₂)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReported Additional Mineral:\u003c\/strong\u003e Chalcopyrite (Copper Iron Sulphide, CuFeS₂)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalena Crystal System:\u003c\/strong\u003e Cubic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalena Mohs Hardness:\u003c\/strong\u003e 2.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuartz Mohs Hardness:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalena Lustre:\u003c\/strong\u003e Metallic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural mineralised rock specimen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuarry History \u0026amp; Cornish Geological Heritage\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eGreystone Quarry\u003c\/strong\u003e is located near Lezant in East Cornwall, within the wider Tamar Valley region.\u003c\/p\u003e\n\n\u003cp\u003eUnlike Cornwall's famous underground tin and copper mines, Greystone is primarily known as a hard-rock quarry. Quarrying exposes geological formations that would otherwise remain hidden beneath the landscape, sometimes revealing mineral-bearing fractures, veins and cavities.\u003c\/p\u003e\n\n\u003cp\u003eThe wider Tamar Valley has a long history of mineral extraction, particularly during the eighteenth and nineteenth centuries, when copper, tin, arsenic and other minerals contributed to the region's industrial development.\u003c\/p\u003e\n\n\u003cp\u003eAlthough Greystone Quarry should not be confused with the neighbouring historic metal mines, its geological setting forms part of the wider mineral-rich landscape of East Cornwall.\u003c\/p\u003e\n\n\u003cp\u003eSpecimens attributed to quarry localities are of particular interest to collectors because quarry operations can expose mineral occurrences that may later become inaccessible.\u003c\/p\u003e\n\n\u003cp\u003eThis Galena and Quartz specimen is supplied with Greystone Quarry, Lezant, as its recorded locality. Its precise collection date and position within the quarry have not been documented.\u003c\/p\u003e\n\n\u003ch3\u003eIntention \u0026amp; Associated Chakras\u003c\/h3\u003e\n\n\u003cp\u003eWithin traditional crystal practices, Galena is associated with grounding, stability and personal reflection. It is often linked with remaining centred during periods of change.\u003c\/p\u003e\n\n\u003cp\u003eQuartz is traditionally associated with clarity, focus and the amplification of intention, while Chalcopyrite is sometimes connected with confidence, creativity and personal transformation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIntentions:\u003c\/strong\u003e Grounding, protection, clarity and spiritual growth.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssociated Chakras:\u003c\/strong\u003e Root Chakra and Crown Chakra.\u003c\/p\u003e\n\n\u003cp\u003eThese associations reflect traditional spiritual beliefs rather than scientifically established properties.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Details\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinerals:\u003c\/strong\u003e Galena and Quartz with reported Chalcopyrite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Greystone Quarry, Lezant, Cornwall, England\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 715g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e Approximately 124.2mm x 76.1mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Metallic silver-grey, white and translucent grey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural raw mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Natural irregular edges, crystal faces and cleavage surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e £125.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Stand:\u003c\/strong\u003e Not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Care Information:\u003c\/strong\u003e Galena contains lead. This specimen is intended for responsible mineral collection and display only. Wash hands after handling, avoid creating or inhaling mineral dust, do not place in water or prepare crystal elixirs, and keep away from children and pets. Clean gently with a dry, soft brush.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eYou will receive the exact specimen photographed. The display stand and decorative accessories are not included.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Harpo's Angels","offers":[{"title":"Default Title","offer_id":59235104293199,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_b27b3dd8-79d7-47c5-a704-5bae4abc21f5.png?v=1792776294","url":"https:\/\/harposangels.co.uk\/products\/galena-quartz-with-chalcopyrite-greystone-quarry-lezant-cornwall","provider":"Harpo's Angels","version":"1.0","type":"link"}