{"product_id":"quartz-with-epidote-cluster-cabinet-specimen-guizhou-china","title":"Quartz with Epidote Cluster | Cabinet Specimen | Guizhou, China","description":"\u003ch3 data-section-id=\"1pnype7\" data-start=\"263\" data-end=\"284\"\u003eSpecimen Overview\u003c\/h3\u003e\n\u003cp data-start=\"286\" data-end=\"652\"\u003e\u003cstrong data-start=\"286\" data-end=\"298\"\u003eMineral:\u003c\/strong\u003e Quartz with Epidote\u003cbr data-start=\"318\" data-end=\"321\"\u003e\u003cstrong data-start=\"321\" data-end=\"332\"\u003eWeight:\u003c\/strong\u003e 413 g\u003cbr data-start=\"338\" data-end=\"341\"\u003e\u003cstrong data-start=\"341\" data-end=\"356\"\u003eDimensions:\u003c\/strong\u003e Approx. 12 cm × 10 cm × 6 cm\u003cbr data-start=\"385\" data-end=\"388\"\u003e\u003cstrong data-start=\"388\" data-end=\"397\"\u003eForm:\u003c\/strong\u003e Natural cluster on matrix\u003cbr data-start=\"423\" data-end=\"426\"\u003e\u003cstrong data-start=\"426\" data-end=\"439\"\u003eLocality:\u003c\/strong\u003e Guizhou Province, China\u003cbr data-start=\"463\" data-end=\"466\"\u003e\u003cstrong data-start=\"466\" data-end=\"482\"\u003eUV Reaction:\u003c\/strong\u003e No notable fluorescence under 365 nm\u003cbr data-start=\"519\" data-end=\"522\"\u003e\u003cstrong data-start=\"522\" data-end=\"541\"\u003eStand Included:\u003c\/strong\u003e Yes\u003cbr data-start=\"545\" data-end=\"548\"\u003e\u003cstrong data-start=\"548\" data-end=\"562\"\u003eCondition:\u003c\/strong\u003e Good overall; minor natural edge wear\/chipping present consistent with clustered growth\u003c\/p\u003e\n\u003cp data-start=\"654\" data-end=\"690\"\u003eThis is the exact specimen pictured.\u003c\/p\u003e\n\u003chr data-start=\"692\" data-end=\"695\"\u003e\n\u003ch3 data-section-id=\"1dlfi13\" data-start=\"697\" data-end=\"720\"\u003eAbout This Specimen\u003c\/h3\u003e\n\u003cp data-start=\"722\" data-end=\"894\"\u003eA striking cabinet specimen from Guizhou featuring sharply formed translucent quartz crystals accented by rich green epidote growths both within and upon the crystal faces.\u003c\/p\u003e\n\u003cp data-start=\"896\" data-end=\"1189\"\u003eDark green radiating epidote sprays emerge across the specimen like miniature mineral forests, creating dramatic contrast against the icy clarity of the host quartz. Several terminations display phantom-like internal green zoning where mineral-rich fluids became trapped during crystal growth.\u003c\/p\u003e\n\u003cp data-start=\"1191\" data-end=\"1210\"\u003eThe combination of:\u003c\/p\u003e\n\u003cul data-start=\"1212\" data-end=\"1373\"\u003e\n\u003cli data-section-id=\"1enqhsa\" data-start=\"1212\" data-end=\"1250\"\u003eSharp multi-point quartz formation\u003c\/li\u003e\n\u003cli data-section-id=\"nfmpmp\" data-start=\"1251\" data-end=\"1280\"\u003eInternal green inclusions\u003c\/li\u003e\n\u003cli data-section-id=\"1pa05y9\" data-start=\"1281\" data-end=\"1307\"\u003eSurface epidote sprays\u003c\/li\u003e\n\u003cli data-section-id=\"wq41vt\" data-start=\"1308\" data-end=\"1334\"\u003eNatural matrix backing\u003c\/li\u003e\n\u003cli data-section-id=\"1k31yk0\" data-start=\"1335\" data-end=\"1373\"\u003eStrong three-dimensional structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1375\" data-end=\"1425\"\u003ecreates exceptional visual depth from every angle.\u003c\/p\u003e\n\u003cp data-start=\"1427\" data-end=\"1500\"\u003eThis is a highly aesthetic collector specimen with superb shelf presence.\u003c\/p\u003e\n\u003chr data-start=\"1502\" data-end=\"1505\"\u003e\n\u003ch3 data-section-id=\"1qtz3er\" data-start=\"1507\" data-end=\"1531\"\u003eGeological Formation\u003c\/h3\u003e\n\u003cp data-start=\"1533\" data-end=\"1638\"\u003eQuartz forms from silica-rich hydrothermal fluids moving through fractures and cavities within host rock.\u003c\/p\u003e\n\u003cp data-start=\"1640\" data-end=\"1805\"\u003eAs these crystals developed, epidote-bearing fluids entered the system, depositing green calcium-aluminium-iron silicate minerals onto and within the growing quartz.\u003c\/p\u003e\n\u003cp data-start=\"1807\" data-end=\"1873\"\u003eThis specimen records a multi-stage mineralisation event in which:\u003c\/p\u003e\n\u003cul data-start=\"1875\" data-end=\"2047\"\u003e\n\u003cli data-section-id=\"1mze53y\" data-start=\"1875\" data-end=\"1904\"\u003eQuartz crystallised first\u003c\/li\u003e\n\u003cli data-section-id=\"1vfq7xo\" data-start=\"1905\" data-end=\"1939\"\u003eHydrothermal chemistry shifted\u003c\/li\u003e\n\u003cli data-section-id=\"17tff7e\" data-start=\"1940\" data-end=\"1991\"\u003eEpidote precipitated during later growth phases\u003c\/li\u003e\n\u003cli data-section-id=\"6teo3j\" data-start=\"1992\" data-end=\"2047\"\u003eInclusions and overgrowths became preserved in situ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2049\" data-end=\"2155\"\u003eThe result is a natural record of changing geological conditions captured within the crystal architecture.\u003c\/p\u003e\n\u003chr data-start=\"2157\" data-end=\"2160\"\u003e\n\u003ch3 data-section-id=\"qzj3ff\" data-start=\"2162\" data-end=\"2192\"\u003eApproximate Geological Age\u003c\/h3\u003e\n\u003cp data-start=\"2194\" data-end=\"2310\"\u003eMineralisation in the Guizhou hydrothermal systems responsible for material of this type is broadly associated with:\u003c\/p\u003e\n\u003cp data-start=\"2312\" data-end=\"2398\"\u003e\u003cstrong data-start=\"2312\" data-end=\"2364\"\u003eLate Mesozoic tectonic and hydrothermal activity\u003c\/strong\u003e\u003cbr data-start=\"2364\" data-end=\"2367\"\u003e\u003cstrong data-start=\"2367\" data-end=\"2398\"\u003e(~50–150 million years ago)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2400\" data-end=\"2419\"\u003eDuring this period:\u003c\/p\u003e\n\u003cul data-start=\"2421\" data-end=\"2657\"\u003e\n\u003cli data-section-id=\"pl3ado\" data-start=\"2421\" data-end=\"2472\"\u003eDinosaurs still inhabited Earth (earlier range)\u003c\/li\u003e\n\u003cli data-section-id=\"1uzdn3f\" data-start=\"2473\" data-end=\"2523\"\u003eAsia was undergoing major tectonic deformation\u003c\/li\u003e\n\u003cli data-section-id=\"1slmr0b\" data-start=\"2524\" data-end=\"2592\"\u003eHydrothermal systems were actively depositing mineral-rich veins\u003c\/li\u003e\n\u003cli data-section-id=\"1n2rc21\" data-start=\"2593\" data-end=\"2657\"\u003eMountain-building and faulting shaped much of southern China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2659\" data-end=\"2662\"\u003e\n\u003ch3 data-section-id=\"148reop\" data-start=\"2664\" data-end=\"2691\"\u003eRarity \u0026amp; Collectability\u003c\/h3\u003e\n\u003cp data-start=\"2693\" data-end=\"2839\"\u003eQuartz is common.\u003cbr data-start=\"2710\" data-end=\"2713\"\u003eWell-crystallised quartz with aesthetic epidote inclusion and overgrowth combinations of this quality is considerably less so.\u003c\/p\u003e\n\u003cp data-start=\"2841\" data-end=\"2871\"\u003eWhat distinguishes this piece:\u003c\/p\u003e\n\u003cul data-start=\"2873\" data-end=\"3101\"\u003e\n\u003cli data-section-id=\"j2y9kg\" data-start=\"2873\" data-end=\"2922\"\u003eExcellent contrast between quartz and epidote\u003c\/li\u003e\n\u003cli data-section-id=\"1xqgsaf\" data-start=\"2923\" data-end=\"2961\"\u003eMultiple sharply terminated points\u003c\/li\u003e\n\u003cli data-section-id=\"1a1e3gu\" data-start=\"2962\" data-end=\"3002\"\u003eInternal and external mineralisation\u003c\/li\u003e\n\u003cli data-section-id=\"o5kq8d\" data-start=\"3003\" data-end=\"3038\"\u003eAttractive balanced composition\u003c\/li\u003e\n\u003cli data-section-id=\"12dkz02\" data-start=\"3039\" data-end=\"3070\"\u003eStrong cabinet display size\u003c\/li\u003e\n\u003cli data-section-id=\"3tdf6l\" data-start=\"3071\" data-end=\"3101\"\u003eDesirable Chinese locality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3103\" data-end=\"3163\"\u003eA substantial and visually sophisticated collector specimen.\u003c\/p\u003e\n\u003chr data-start=\"3165\" data-end=\"3168\"\u003e\n\u003ch3 data-section-id=\"rn7fjq\" data-start=\"3170\" data-end=\"3189\"\u003eCondition Notes\u003c\/h3\u003e\n\u003cp data-start=\"3191\" data-end=\"3294\"\u003eMinor edge wear and small contact marks may be present, typical of natural clustered mineral specimens.\u003c\/p\u003e\n\u003cp data-start=\"3296\" data-end=\"3413\"\u003eThese are natural or collection-related imperfections and do not detract from the specimen’s overall display quality.\u003c\/p\u003e","brand":"Starshine Minerals","offers":[{"title":"Default Title","offer_id":57199867494744,"sku":null,"price":110.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/4304\/7000\/files\/IMG_4961.jpg?v=1777389127","url":"https:\/\/starshineminerals.co.uk\/products\/quartz-with-epidote-cluster-cabinet-specimen-guizhou-china","provider":"Starshine Minerals","version":"1.0","type":"link"}