{"product_id":"hematoid-quartz-sphere-quartz-with-hematite-inclusions-brazil-lapidary-form","title":"Hematoid Quartz Sphere | Quartz with Hematite Inclusions | Brazil | Lapidary Form","description":"\u003ch2 data-start=\"263\" data-end=\"283\"\u003eSpecimen Overview\u003c\/h2\u003e\n\u003cp data-start=\"285\" data-end=\"693\"\u003e\u003cstrong data-start=\"285\" data-end=\"297\"\u003eMineral:\u003c\/strong\u003e Quartz (SiO₂) with hematite inclusions\u003cbr data-start=\"336\" data-end=\"339\"\u003e\u003cstrong data-start=\"339\" data-end=\"350\"\u003eWeight:\u003c\/strong\u003e 153 g\u003cbr data-start=\"356\" data-end=\"359\"\u003e\u003cstrong data-start=\"359\" data-end=\"372\"\u003eDiameter:\u003c\/strong\u003e approx. 5–5.5 cm\u003cbr data-start=\"389\" data-end=\"392\"\u003e\u003cstrong data-start=\"392\" data-end=\"410\"\u003eCircumference:\u003c\/strong\u003e approx. 15 cm\u003cbr data-start=\"424\" data-end=\"427\"\u003e\u003cstrong data-start=\"427\" data-end=\"436\"\u003eForm:\u003c\/strong\u003e Polished sphere\u003cbr data-start=\"452\" data-end=\"455\"\u003e\u003cstrong data-start=\"455\" data-end=\"468\"\u003eLocality:\u003c\/strong\u003e Brazil (typical material origin)\u003cbr data-start=\"501\" data-end=\"504\"\u003e\u003cstrong data-start=\"504\" data-end=\"520\"\u003eUV Reaction:\u003c\/strong\u003e No notable fluorescence under 365 nm\u003cbr data-start=\"557\" data-end=\"560\"\u003e\u003cstrong data-start=\"560\" data-end=\"579\"\u003eStand included:\u003c\/strong\u003e No (photography stand not included)\u003cbr data-start=\"615\" data-end=\"618\"\u003e\u003cstrong data-start=\"618\" data-end=\"632\"\u003eCondition:\u003c\/strong\u003e Excellent polish; natural internal growth features present\u003c\/p\u003e\n\u003cp data-start=\"695\" data-end=\"729\"\u003eThis is the exact sphere pictured.\u003c\/p\u003e\n\u003chr data-start=\"731\" data-end=\"734\"\u003e\n\u003ch2 data-start=\"736\" data-end=\"758\"\u003eAbout This Specimen\u003c\/h2\u003e\n\u003cp data-start=\"760\" data-end=\"878\"\u003eThis polished quartz sphere contains bold red-orange hematite inclusions suspended within clear to translucent silica.\u003c\/p\u003e\n\u003cp data-start=\"880\" data-end=\"1164\"\u003eFlame-like bands of iron oxide intersect through the body of the quartz, creating the appearance of frozen geological movement. These inclusions were incorporated during crystal growth, forming layered internal structures fully integrated into the quartz rather than surface staining.\u003c\/p\u003e\n\u003cp data-start=\"1166\" data-end=\"1478\"\u003eNotably, delicate \u003cstrong data-start=\"1184\" data-end=\"1213\"\u003edendritic hematite growth\u003c\/strong\u003e can be observed within the central inclusion plane — fine branching iron formations that developed during crystallisation. These structures form as mineral-rich fluids shift chemistry and oxidation states, leaving behind intricate, tree-like internal architecture.\u003c\/p\u003e\n\u003cp data-start=\"1480\" data-end=\"1557\"\u003eThe spherical lapidary form allows complete rotational visibility, revealing:\u003c\/p\u003e\n\u003cul data-start=\"1559\" data-end=\"1728\"\u003e\n\u003cli data-start=\"1559\" data-end=\"1589\"\u003e\n\u003cp data-start=\"1561\" data-end=\"1589\"\u003eIntersecting growth planes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1590\" data-end=\"1610\"\u003e\n\u003cp data-start=\"1592\" data-end=\"1610\"\u003eInclusion zoning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1611\" data-end=\"1644\"\u003e\n\u003cp data-start=\"1613\" data-end=\"1644\"\u003eDendritic hematite formations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1645\" data-end=\"1674\"\u003e\n\u003cp data-start=\"1647\" data-end=\"1674\"\u003eInternal stress fractures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1675\" data-end=\"1728\"\u003e\n\u003cp data-start=\"1677\" data-end=\"1728\"\u003eSubtle prismatic rainbows under directional light\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1730\" data-end=\"1800\"\u003eThis is natural geological architecture presented in three dimensions.\u003c\/p\u003e\n\u003chr data-start=\"1802\" data-end=\"1805\"\u003e\n\u003ch2 data-start=\"1807\" data-end=\"1830\"\u003eGeological Formation\u003c\/h2\u003e\n\u003cp data-start=\"1832\" data-end=\"1932\"\u003eQuartz crystallises from silica-rich hydrothermal fluids circulating through fractures in host rock.\u003c\/p\u003e\n\u003cp data-start=\"1934\" data-end=\"2148\"\u003eDuring crystallisation, iron-bearing fluids or microscopic hematite particles became trapped within the growing quartz lattice. As oxidation occurred, the iron developed its characteristic red to orange coloration.\u003c\/p\u003e\n\u003cp data-start=\"2150\" data-end=\"2224\"\u003eThe layered and branching internal structures seen in this sphere reflect:\u003c\/p\u003e\n\u003cul data-start=\"2226\" data-end=\"2387\"\u003e\n\u003cli data-start=\"2226\" data-end=\"2256\"\u003e\n\u003cp data-start=\"2228\" data-end=\"2256\"\u003eMulti-stage crystal growth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2257\" data-end=\"2290\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2290\"\u003eVariations in fluid chemistry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2291\" data-end=\"2339\"\u003e\n\u003cp data-start=\"2293\" data-end=\"2339\"\u003eShifting temperature and pressure conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2340\" data-end=\"2387\"\u003e\n\u003cp data-start=\"2342\" data-end=\"2387\"\u003eOxidation of iron within enclosed fractures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2389\" data-end=\"2464\"\u003eEach inclusion records a change in geological environment during formation.\u003c\/p\u003e\n\u003chr data-start=\"2466\" data-end=\"2469\"\u003e\n\u003ch2 data-start=\"2471\" data-end=\"2500\"\u003eApproximate Geological Age\u003c\/h2\u003e\n\u003cp data-start=\"2502\" data-end=\"2622\"\u003eQuartz deposits of this type are commonly associated with hydrothermal systems linked to tectonic and volcanic activity.\u003c\/p\u003e\n\u003cp data-start=\"2624\" data-end=\"2678\"\u003eMuch Brazilian inclusion-bearing quartz formed during:\u003c\/p\u003e\n\u003cp data-start=\"2680\" data-end=\"2760\"\u003e\u003cstrong data-start=\"2680\" data-end=\"2760\"\u003eMesozoic to early Cenozoic geological periods\u003cbr data-start=\"2727\" data-end=\"2730\"\u003e(~50–250 million years ago).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2762\" data-end=\"2798\"\u003eDuring this span of Earth’s history:\u003c\/p\u003e\n\u003cul data-start=\"2800\" data-end=\"3040\"\u003e\n\u003cli data-start=\"2800\" data-end=\"2870\"\u003e\n\u003cp data-start=\"2802\" data-end=\"2870\"\u003eDinosaurs dominated terrestrial ecosystems (earlier in this range)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2871\" data-end=\"2909\"\u003e\n\u003cp data-start=\"2873\" data-end=\"2909\"\u003eFlowering plants were diversifying\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2910\" data-end=\"2960\"\u003e\n\u003cp data-start=\"2912\" data-end=\"2960\"\u003eMajor continental rearrangements were underway\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2961\" data-end=\"3040\"\u003e\n\u003cp data-start=\"2963\" data-end=\"3040\"\u003eVolcanic and tectonic systems were highly active across Gondwanan fragments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3042\" data-end=\"3166\"\u003eWhile this sphere is a modern lapidary cut, the material itself formed during a vastly different chapter of Earth’s history.\u003c\/p\u003e\n\u003chr data-start=\"3168\" data-end=\"3171\"\u003e\n\u003ch2 data-start=\"3173\" data-end=\"3199\"\u003eRarity \u0026amp; Collectability\u003c\/h2\u003e\n\u003cp data-start=\"3201\" data-end=\"3329\"\u003eQuartz is abundant.\u003cbr data-start=\"3220\" data-end=\"3223\"\u003eQuartz with strong, well-defined internal hematite zoning, dendritic development, and visual depth is not.\u003c\/p\u003e\n\u003cp data-start=\"3331\" data-end=\"3361\"\u003eWhat distinguishes this piece:\u003c\/p\u003e\n\u003cul data-start=\"3363\" data-end=\"3573\"\u003e\n\u003cli data-start=\"3363\" data-end=\"3395\"\u003e\n\u003cp data-start=\"3365\" data-end=\"3395\"\u003eBold flame-like iron banding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3396\" data-end=\"3442\"\u003e\n\u003cp data-start=\"3398\" data-end=\"3442\"\u003eStrong colour contrast within clear silica\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3443\" data-end=\"3480\"\u003e\n\u003cp data-start=\"3445\" data-end=\"3480\"\u003eVisible dendritic hematite growth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3481\" data-end=\"3513\"\u003e\n\u003cp data-start=\"3483\" data-end=\"3513\"\u003eInternal growth architecture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3514\" data-end=\"3543\"\u003e\n\u003cp data-start=\"3516\" data-end=\"3543\"\u003eNatural internal rainbows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3544\" data-end=\"3573\"\u003e\n\u003cp data-start=\"3546\" data-end=\"3573\"\u003eBalanced spherical polish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3575\" data-end=\"3640\"\u003eA compact yet visually powerful example of inclusion-rich quartz.\u003c\/p\u003e\n\u003chr data-start=\"3642\" data-end=\"3645\"\u003e\n\u003ch2 data-start=\"3647\" data-end=\"3665\"\u003eCondition Notes\u003c\/h2\u003e\n\u003cp data-start=\"3667\" data-end=\"3776\"\u003eMinor surface irregularities may be visible or felt in places. These are not impact chips or handling damage.\u003c\/p\u003e\n\u003cp data-start=\"3778\" data-end=\"3972\"\u003eThey result from natural internal growth fractures and inclusion planes intersecting the polished surface. Such features are inherent to the material and reflect the quartz’s geological history.\u003c\/p\u003e\n\u003cp data-start=\"3974\" data-end=\"4053\"\u003eThe sphere remains structurally sound and displays beautifully from all angles.\u003c\/p\u003e","brand":"Starshine Minerals","offers":[{"title":"Default Title","offer_id":56747582488920,"sku":null,"price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/4304\/7000\/files\/IMG_8413.jpg?v=1771449381","url":"https:\/\/starshineminerals.co.uk\/products\/hematoid-quartz-sphere-quartz-with-hematite-inclusions-brazil-lapidary-form","provider":"Starshine Minerals","version":"1.0","type":"link"}