{"id":1603,"date":"2026-07-08T09:33:03","date_gmt":"2026-07-08T07:33:03","guid":{"rendered":"https:\/\/mineralien-weltweit.com\/product\/calcite-dolomite-chalcopyrite-holzen-germany\/"},"modified":"2026-07-17T23:10:13","modified_gmt":"2026-07-17T21:10:13","slug":"calcite-dolomite-chalcopyrite-holzen-germany","status":"publish","type":"product","link":"https:\/\/mineralien-weltweit.com\/en\/product\/calcite-dolomite-chalcopyrite-holzen-germany\/","title":{"rendered":"Calcite with Dolomite and Chalcopyrite from Holzen, Germany"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1361\" data-end=\"1731\">Attractive cabinet specimen from the well-known Holzen quarry in the Hochsauerland district of North Rhine-Westphalia, Germany. Numerous well-formed calcite crystals are developed on a fine-grained dolomite matrix, while small golden chalcopyrite crystals provide appealing color accents.  <\/p>\n<p data-start=\"1733\" data-end=\"2038\">The combination of calcite, dolomite, and chalcopyrite is one of the characteristic mineral associations of this locality. The three-dimensional specimen shows a balanced distribution of crystals and is suitable both for collections of German minerals and for collectors of aesthetic calcite specimens. <\/p>\n<p data-start=\"2040\" data-end=\"2087\">You will receive the exact individual specimen shown in the photographs.<\/p>\n<h2 data-section-id=\"1vshyv8\" data-start=\"2089\" data-end=\"2130\">Well-Known Calcite Locality in the Sauerland Region<\/h2>\n<p data-start=\"2132\" data-end=\"2348\">The \u201cCalcit\u201d quarry near Holzen is one of the well-known calcite localities of the Sauerland region. The deposit is particularly known for calcite crystals and mineral associations with dolomite and various sulfide minerals. <\/p>\n<p data-start=\"2350\" data-end=\"2546\">Mineral collecting at the locality has not been permitted since 2007. Older, well-preserved collection specimens from Holzen therefore retain a special connection to this locality. <\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2548\" data-end=\"3206\">\n<thead data-start=\"2548\" data-end=\"2574\">\n<tr data-start=\"2548\" data-end=\"2574\">\n<th class=\"last:pe-10\" data-start=\"2548\" data-end=\"2558\" data-col-size=\"sm\">Feature<\/th>\n<th class=\"last:pe-10\" data-start=\"2558\" data-end=\"2574\" data-col-size=\"md\">Description<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2585\" data-end=\"3206\">\n<tr data-start=\"2585\" data-end=\"2609\">\n<td data-start=\"2585\" data-end=\"2599\" data-col-size=\"sm\"><strong data-start=\"2587\" data-end=\"2598\">Mineral<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2599\" data-end=\"2609\">Calcite<\/td>\n<\/tr>\n<tr data-start=\"2610\" data-end=\"2656\">\n<td data-start=\"2610\" data-end=\"2632\" data-col-size=\"sm\"><strong data-start=\"2612\" data-end=\"2631\">Associated minerals<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2632\" data-end=\"2656\">Dolomite, Chalcopyrite<\/td>\n<\/tr>\n<tr data-start=\"2657\" data-end=\"2766\">\n<td data-start=\"2657\" data-end=\"2671\" data-col-size=\"sm\"><strong data-start=\"2659\" data-end=\"2670\">Locality<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2671\" data-end=\"2766\">\u201cCalcit\u201d Quarry, Holzen, Arnsberg, Hochsauerland District, North Rhine-Westphalia, Germany<\/td>\n<\/tr>\n<tr data-start=\"2767\" data-end=\"2800\">\n<td data-start=\"2767\" data-end=\"2778\" data-col-size=\"sm\"><strong data-start=\"2769\" data-end=\"2777\">Dimensions<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2778\" data-end=\"2800\">8.5 \u00d7 6.5 \u00d7 2.2 cm<\/td>\n<\/tr>\n<tr data-start=\"2801\" data-end=\"2825\">\n<td data-start=\"2801\" data-end=\"2815\" data-col-size=\"sm\"><strong data-start=\"2803\" data-end=\"2814\">Weight<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2815\" data-end=\"2825\">85.7 g<\/td>\n<\/tr>\n<tr data-start=\"2826\" data-end=\"2858\">\n<td data-start=\"2826\" data-end=\"2845\" data-col-size=\"sm\"><strong data-start=\"2828\" data-end=\"2844\">Size category<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2845\" data-end=\"2858\">Cabinet specimen<\/td>\n<\/tr>\n<tr data-start=\"2859\" data-end=\"2920\">\n<td data-start=\"2859\" data-end=\"2871\" data-col-size=\"sm\"><strong data-start=\"2861\" data-end=\"2870\">Color<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2871\" data-end=\"2920\">Calcite colorless to white; dolomite pale pink; chalcopyrite golden yellow.<\/td>\n<\/tr>\n<tr data-start=\"2921\" data-end=\"2986\">\n<td data-start=\"2921\" data-end=\"2933\" data-col-size=\"sm\"><strong data-start=\"2923\" data-end=\"2932\">Luster<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2933\" data-end=\"2986\">Vitreous luster on calcite; metallic luster on chalcopyrite<\/td>\n<\/tr>\n<tr data-start=\"2987\" data-end=\"3042\">\n<td data-start=\"2987\" data-end=\"3006\" data-col-size=\"sm\"><strong data-start=\"2989\" data-end=\"3005\">Crystal form<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"3006\" data-end=\"3042\"> Well-formed calcite crystals<\/td>\n<\/tr>\n<tr data-start=\"3043\" data-end=\"3084\">\n<td data-start=\"3043\" data-end=\"3056\" data-col-size=\"sm\"><strong data-start=\"3045\" data-end=\"3055\">Matrix<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"3056\" data-end=\"3084\">Fine-grained dolomite<\/td>\n<\/tr>\n<tr data-start=\"3085\" data-end=\"3206\">\n<td data-start=\"3085\" data-end=\"3104\" data-col-size=\"sm\"><strong data-start=\"3087\" data-end=\"3103\">Special Feature<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"3104\" data-end=\"3206\"> Classic association of calcite, dolomite, and chalcopyrite from a well-known German locality<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Attractive cabinet specimen from the well-known Holzen quarry in the Hochsauerland district of North Rhine-Westphalia, Germany. Numerous well-formed calcite crystals are developed on a fine-grained dolomite matrix, while small golden chalcopyrite crystals provide appealing color accents. The combination of calcite, dolomite, and chalcopyrite is one of the characteristic mineral associations of this locality. The three-dimensional [&#8230;]\n","protected":false},"featured_media":1599,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[351],"product_tag":[],"class_list":["post-1603","product","type-product","status-publish","has-post-thumbnail","product_cat-minerals","first","instock","sold-individually","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Calcite with Dolomite and Chalcopyrite from Holzen, Germany<\/title>\n<meta name=\"description\" content=\"Well-formed calcite crystals on fine-grained dolomite with golden chalcopyrite from the classic Holzen locality in Germany.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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