{"product_id":"hematoid-milky-quartz-rostowrack-china-clay-pit-cornwall-no-1-copy","title":"Hematoid Milky Quartz | Rostowrack China Clay Pit, Cornwall |  No. 1","description":"\u003cp\u003eA beautiful 160g Cornish hematoid milky quartz specimen featuring delicate blush-pink crystalline formations, translucent milky quartz and subtle reddish iron-rich mineral staining. Supplied as originating from Rostowrack China Clay Pit at Hendra Downs, near St Dennis, Cornwall.\u003c\/p\u003e\n\n\u003cp\u003eThis attractive natural specimen combines soft pastel colouring, sparkling quartz crystal surfaces and a distinctive layered matrix, offering an interesting example of the quartz mineralisation associated with Cornwall's historic china clay district.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis charming specimen displays an irregular, compact formation with a densely crystallised upper surface and a contrasting pale, massive quartz base.\u003c\/p\u003e\n\n\u003cp\u003eThe most distinctive feature is its soft blush-pink and champagne colouring, visible throughout the smaller quartz crystals. These delicate tones contrast beautifully with the creamy white and translucent mineral surfaces.\u003c\/p\u003e\n\n\u003cp\u003eNumerous small quartz crystals form interlocking clusters across the exposed upper section, creating a naturally sparkling appearance. Their varied sizes and orientations produce subtle changes in reflection when the specimen is viewed from different angles.\u003c\/p\u003e\n\n\u003cp\u003eOne particularly attractive feature is a larger, translucent milky quartz crystal projecting from the surrounding smaller crystalline growth. Its rounded appearance and reflective surfaces create an interesting contrast with the finer crystal formations.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen also exhibits a thin reddish-brown mineralised line extending through sections of its pale matrix. This iron-rich colouring is characteristic of the appearance commonly described as hematoid quartz.\u003c\/p\u003e\n\n\u003cp\u003eAlong the sides and reverse, the pale cream and white matrix displays subtle layering, irregular mineral textures and small areas of crystalline growth.\u003c\/p\u003e\n\n\u003cp\u003eSoft peach, pale pink, milky white and champagne tones combine to give this specimen a delicate appearance, while its natural fractures and contrasting textures provide additional geological interest.\u003c\/p\u003e\n\n\u003cp\u003eAt 160g, this piece makes an attractive display specimen for collectors of Cornish minerals, British quartz and naturally coloured crystal formations.\u003c\/p\u003e\n\n\u003ch3\u003eAbout the Minerals\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuartz (SiO₂)\u003c\/strong\u003e is a silicon dioxide mineral belonging to the trigonal crystal system, with a Mohs hardness of 7.\u003c\/p\u003e\n\n\u003cp\u003eQuartz is one of the most widespread minerals in the Earth's crust and commonly forms when silica-bearing fluids circulate through fractures, veins and cavities within rocks.\u003c\/p\u003e\n\n\u003cp\u003eAs geological conditions change, dissolved silica may crystallise, producing a variety of formations ranging from massive quartz to well-developed individual crystals and delicate crystalline coatings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMilky Quartz\u003c\/strong\u003e is a variety of quartz characterised by its cloudy white or translucent appearance. Its characteristic milkiness is commonly caused by numerous microscopic fluid inclusions that scatter light within the crystal.\u003c\/p\u003e\n\n\u003cp\u003eIn this specimen, milky quartz forms the pale underlying material and several larger translucent crystalline areas.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHematoid Quartz\u003c\/strong\u003e is a descriptive trade name applied to quartz displaying reddish, orange, brown or pinkish colouring associated with iron-bearing mineral inclusions or staining.\u003c\/p\u003e\n\n\u003cp\u003eHematite (Fe₂O₃), an iron oxide mineral, is one possible source of this colouring. Other iron oxides and oxyhydroxides may produce similar appearances.\u003c\/p\u003e\n\n\u003cp\u003eThe delicate pinkish tones and reddish mineralised line visible in this specimen are consistent with iron-associated colouring, although the precise mineral responsible has not been independently established.\u003c\/p\u003e\n\n\u003cp\u003eThese contrasting quartz textures and iron-rich colour variations make the specimen particularly interesting from both a geological and aesthetic perspective.\u003c\/p\u003e\n\n\u003ch3\u003eRostowrack China Clay Pit \u0026amp; Cornish Heritage\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eRostowrack China Clay Pit\u003c\/strong\u003e is located at Hendra Downs, near St Dennis, within Cornwall's historically important St Austell granite district.\u003c\/p\u003e\n\n\u003cp\u003eThe St Austell district is internationally recognised for its extensive china clay deposits, which developed through the alteration of feldspar-bearing granite.\u003c\/p\u003e\n\n\u003cp\u003eChina clay, also known as kaolin, became one of Cornwall's most important industrial mineral resources, supplying the ceramics, paper and other manufacturing industries.\u003c\/p\u003e\n\n\u003cp\u003eUnlike Cornwall's better-known tin and copper mines, the china clay industry focused primarily on extracting kaolin from altered granite.\u003c\/p\u003e\n\n\u003cp\u003eHowever, the geological processes affecting the granite also produced a variety of mineralised veins, fractures and associated mineral occurrences.\u003c\/p\u003e\n\n\u003cp\u003eRostowrack is particularly interesting because geological investigations have documented quartz mineralisation within its altered granite.\u003c\/p\u003e\n\n\u003cp\u003eA field excursion published in the Proceedings of the Ussher Society in 1995 examined Rostowrack China Stone Quarry and China Clay Pit.\u003c\/p\u003e\n\n\u003cp\u003eThe published account describes kaolinised granite and records a prominent quartz vein trending northwest to southeast within the altered granite.\u003c\/p\u003e\n\n\u003cp\u003eFurther geological documentation produced for EUROGRANITES 2014 describes a large, multistage quartz-hematite vein at Rostowrack, together with other features associated with granite alteration and mineralisation.\u003c\/p\u003e\n\n\u003cp\u003eThis documented association of quartz and hematite provides relevant geological context for specimens displaying iron-rich quartz mineralisation from the locality.\u003c\/p\u003e\n\n\u003cp\u003eMineralogical records also document quartz, hematite, fluorite, kaolinite, cassiterite and other minerals at Rostowrack.\u003c\/p\u003e\n\n\u003cp\u003eThe surrounding St Austell district has a long industrial history associated with china clay extraction, china stone production and the development of Cornwall's mineral industries.\u003c\/p\u003e\n\n\u003cp\u003eHistorical records and museum collections help preserve the story of these workings and their contribution to Cornwall's geological and industrial heritage.\u003c\/p\u003e\n\n\u003cp\u003eSpecimens attributed to Rostowrack therefore offer an interesting connection between Cornwall's granite geology, historic mineral extraction and natural crystal formation.\u003c\/p\u003e\n\n\u003cp\u003eAlthough quartz and hematite mineralisation are documented at the locality, the exact mineral responsible for the pink and reddish colouring of this individual specimen has not been independently laboratory verified.\u003c\/p\u003e\n\n\u003ch3\u003eIntention \u0026amp; Associated Chakras\u003c\/h3\u003e\n\n\u003cp\u003eIn traditional crystal healing practices, milky quartz and hematoid quartz are associated with complementary symbolic qualities:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilky Quartz:\u003c\/strong\u003e Calm, clarity, emotional balance and gentle reflection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHematoid Quartz:\u003c\/strong\u003e Grounding, focus, confidence and emotional stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuartz:\u003c\/strong\u003e Clarity, amplification of intention and spiritual awareness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssociated Chakras:\u003c\/strong\u003e Root Chakra and Crown Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIntention:\u003c\/strong\u003e Calm, Protection and Spiritual Growth.\u003c\/p\u003e\n\n\u003cp\u003eThese associations belong to crystal healing traditions and are not scientifically established properties of the minerals.\u003c\/p\u003e\n\n\u003ch3\u003eNatural Formation \u0026amp; Symbolism\u003c\/h3\u003e\n\n\u003cp\u003eAs a naturally formed raw mineral specimen, this piece retains its irregular structure, exposed crystalline surfaces and contrasting mineral textures.\u003c\/p\u003e\n\n\u003cp\u003eThe delicate pink quartz crystals and pale milky matrix provide an attractive example of the variation that can occur during natural mineral formation.\u003c\/p\u003e\n\n\u003cp\u003eThe reddish iron-rich line running through the specimen offers a visible reminder of the mineral-bearing fluids and geological processes that can influence the appearance of quartz.\u003c\/p\u003e\n\n\u003cp\u003eRaw mineral formations are traditionally associated with authenticity, connection to the natural world and appreciation of the Earth's geological history.\u003c\/p\u003e\n\n\u003cp\u003eThe combination of soft pink tones and translucent quartz can also be interpreted symbolically as a balance between gentleness and strength.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Details\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral:\u003c\/strong\u003e Hematoid Milky Quartz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Mineral:\u003c\/strong\u003e Quartz (SiO₂)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColouring:\u003c\/strong\u003e Pinkish and reddish iron-associated staining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMine:\u003c\/strong\u003e Rostowrack China Clay Pit (supplied locality attribution)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocality:\u003c\/strong\u003e Hendra Downs, St Dennis, Cornwall, England\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 160g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 38.3mm × 66.9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural raw quartz specimen with crystalline growth and iron-rich colouring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blush pink, champagne, peach, milky white and cream\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural, unpolished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Natural irregular edges, crystalline surfaces, mineral staining and visible fractures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e One individual specimen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eYou will receive the exact specimen photographed. Natural mineral specimens may contain fractures, uneven surfaces, delicate crystals, inclusions and variations resulting from their geological formation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDisplay stand and decorative accessories shown in the photographs are not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSources \u0026amp; References\u003c\/h3\u003e\n\n\u003cp\u003eThe following resources provide geological, mineralogical and historical background relevant to the Rostowrack locality and its surrounding granite district:\u003c\/p\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.mindat.org\/loc-1198.html\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMindat – Rostowrack China Clay Pit, Cornwall\u003c\/a\u003e. Mineral locality database providing information on recorded mineral occurrences, including quartz and hematite.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/ussher.org.uk\/wp-content\/uploads\/journal\/1995\/24-Bristow_Howe_1995.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBristow \u0026amp; Howe (1995) – Field Excursion to the Fal Valley, St Austell Granite\u003c\/a\u003e. Geological field excursion account describing Rostowrack China Stone Quarry and China Clay Pit, including a quartz vein within kaolinised granite.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.csm-museum.co.uk\/downloads\/eurogr2014.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eEUROGRANITES 2014 – Granites and Mineralisation of South West England\u003c\/a\u003e. Geological field guide describing the Rostowrack granite, kaolinisation and multistage quartz-hematite mineralisation.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.wheal-martyn.com\/china-stone\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eWheal Martyn Trust – China Stone\u003c\/a\u003e. Museum resource discussing china stone and its historical significance within Cornwall's china clay industry.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003csmall\u003eGeological and historical references relate to the recorded Rostowrack locality and do not independently establish the provenance of this individual specimen. Its locality is carried forward from the supplied collection information and should be confirmed before publication. The term hematoid quartz describes its iron-associated colouring; the precise iron-bearing mineral has not been independently laboratory identified.\u003c\/small\u003e\u003c\/p\u003e\n","brand":"Harpo's Angels","offers":[{"title":"Default Title","offer_id":59262528323919,"sku":null,"price":28.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_6e00d419-3899-43f5-836c-215bef32d45b.png?v=1792951738","url":"https:\/\/harposangels.co.uk\/products\/hematoid-milky-quartz-rostowrack-china-clay-pit-cornwall-no-1-copy","provider":"Harpo's Angels","version":"1.0","type":"link"}