{"id":2126,"date":"2026-07-29T19:18:29","date_gmt":"2026-07-29T17:18:29","guid":{"rendered":"https:\/\/mineralien-weltweit.com\/product\/rock-crystal-chalcopyrite-huaron-mining-district-peru\/"},"modified":"2026-07-29T19:18:29","modified_gmt":"2026-07-29T17:18:29","slug":"rock-crystal-chalcopyrite-huaron-mining-district-peru","status":"publish","type":"product","link":"https:\/\/mineralien-weltweit.com\/en\/product\/rock-crystal-chalcopyrite-huaron-mining-district-peru\/","title":{"rendered":"Rock Crystal with Chalcopyrite from the Huar\u00f3n Mining District, Peru"},"content":{"rendered":"

This mineral specimen comes from the historic Huar\u00f3n mining district in the Pasco region of Peru. Numerous white to colorless quartz crystals cover a dark, sulfide-rich matrix. Small chalcopyrite crystals occur between the quartz crystals, creating a distinct contrast with the pale crystal group through their metallic luster. <\/p>\n

The quartz crystals are intergrown in a three-dimensional arrangement and oriented in different directions. This creates an open, lively crystal group that can be displayed both vertically and in a broader side view. <\/p>\n

Measuring 9.0 \u00d7 6.3 \u00d7 3.0 cm and weighing 172.5 g, the specimen belongs to the cabinet specimen size category.<\/p>\n

Dense Group of Prismatic Quartz Crystals<\/h2>\n

The quartz forms numerous long prismatic crystals with clearly developed terminations. Several larger crystals stand out among the many smaller ones and define the three-dimensional structure of the specimen.. <\/p>\n

The crystals are predominantly white to colorless and translucent. Individual thinner crystals and marginal areas appear partially transparent. Fine growth structures are locally visible on the crystal faces. <\/p>\n

The varying orientation of the quartz crystals creates a diverse overall form. Some crystals project steeply from the matrix, while others extend more horizontally or grow diagonally across neighboring crystals. <\/p>\n

Chalcopyrite as a Contrasting Associated Mineral<\/h2>\n

Numerous small chalcopyrite crystals and sulfide sections occur between the quartz crystals. They appear dark brass-colored to locally brownish due to surface tarnishing and stand out clearly against the white quartz. <\/p>\n

The chalcopyrite does not form a single dominant crystal but is distributed across large areas of the specimen. The detailed view shows particularly well how the metallic sections occur between and partly on the quartz crystals. <\/p>\n

The association of pale quartz and metallic chalcopyrite is characteristic of many hydrothermal ore assemblages in the Peruvian Andes.<\/p>\n

Mineral Specimen from a Classic Peruvian Mining District<\/h2>\n

The Huar\u00f3n district is one of Peru\u2019s important polymetallic mining regions. Its hydrothermal vein systems produced numerous sulfides and associated minerals, including quartz and chalcopyrite. <\/p>\n

This specimen displays the association as a broadly crystallized cabinet specimen. Quartz forms the dominant visual component, while the scattered chalcopyrite crystals document the specimen\u2019s ore-deposit context. <\/p>\n

The piece therefore combines an attractive crystal group with a classic provenance from Peru\u2019s mining industry.<\/p>\n

\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Feature <\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
Main mineral<\/td>\nQuartz<\/td>\n<\/tr>\n
Variety<\/td>\nRock crystal <\/td>\n<\/tr>\n
Chemical composition<\/td>\nSiO\u2082<\/td>\n<\/tr>\n
Associated Mineral<\/td>\nChalcopyrite<\/td>\n<\/tr>\n
Chemical composition of chalcopyrite<\/td>\nCuFeS\u2082<\/td>\n<\/tr>\n
Locality<\/td>\nHuar\u00f3n mining district, Huayllay, Pasco Province, Pasco Region, Peru<\/td>\n<\/tr>\n
Dimensions<\/td>\n9.0 \u00d7 6.3 \u00d7 3.0 cm<\/td>\n<\/tr>\n
Weight<\/td>\n172.5 g<\/td>\n<\/tr>\n
Specimen Size<\/td>\nCabinet specimen <\/td>\n<\/tr>\n
Color of Quartz<\/td>\nWhite to colorless<\/td>\n<\/tr>\n
Color of Chalcopyrite<\/td>\nBrass-colored to dark brownish<\/td>\n<\/tr>\n
Transparency<\/td>\nQuartz predominantly translucent, partially transparent in individual crystals and along some edges<\/td>\n<\/tr>\n
Crystal habit of Quartz<\/td>\nLong prismatic crystals with developed terminations<\/td>\n<\/tr>\n
Crystal habit of Chalcopyrite<\/td>\nSmall metallic crystals and crystal sections<\/td>\n<\/tr>\n
Crystal arrangement<\/td>\nNumerous differently oriented quartz crystals with scattered chalcopyrite<\/td>\n<\/tr>\n
Matrix<\/td>\nDark sulfide-rich matrix<\/td>\n<\/tr>\n
Special Feature<\/td>\nThree-dimensional quartz group with contrasting chalcopyrite from a classic Peruvian mining district<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

This mineral specimen comes from the historic Huar\u00f3n mining district in the Pasco region of Peru. Numerous white to colorless quartz crystals cover a dark, sulfide-rich matrix. Small chalcopyrite crystals occur between the quartz crystals, creating a distinct contrast with the pale crystal group through their metallic luster. The quartz crystals are intergrown in a […]\n","protected":false},"featured_media":2123,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[351],"product_tag":[],"class_list":["post-2126","product","type-product","status-publish","has-post-thumbnail","product_cat-minerals","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nRock Crystal with Chalcopyrite from Huar\u00f3n, Peru<\/title>\n<meta name=\"description\" content=\"Rock crystal with chalcopyrite from the Huar\u00f3n mining district in Peru. 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