{"id":1949,"date":"2026-07-26T08:51:09","date_gmt":"2026-07-26T06:51:09","guid":{"rendered":"https:\/\/mineralien-weltweit.com\/product\/calcite-apophyllite-jalgaon-india\/"},"modified":"2026-07-26T08:51:09","modified_gmt":"2026-07-26T06:51:09","slug":"calcite-apophyllite-jalgaon-india","status":"publish","type":"product","link":"https:\/\/mineralien-weltweit.com\/en\/product\/calcite-apophyllite-jalgaon-india\/","title":{"rendered":"Calcite with Apophyllite from Jalgaon, India"},"content":{"rendered":"

This mineral specimen comes from the Jalgaon district in Maharashtra, India. Two prominent pale calcite crystals rise from a dark volcanic matrix and are accompanied by numerous colorless to white apophyllite crystals. <\/p>\n

The calcite forms broad, clearly defined rhombohedral crystals. The larger crystal at the front is partly transparent to translucent and shows visible internal structures, while the second crystal has a pale cream to grayish-white coloration and appears more translucent to opaque. Their surfaces show a moderate vitreous luster. <\/p>\n

Numerous smaller apophyllite crystals cover the upper and lateral areas of the specimen. They form colorless to white, transparent to translucent crystals with square to rectangular outlines and bright reflective faces. The contrast between the large calcite crystals, the smaller apophyllite group, and the dark matrix gives the specimen a distinctly three-dimensional appearance. <\/p>\n

Measuring 8.5 \u00d7 5.0 \u00d7 3.5 cm, the piece belongs to the cabinet specimen size category. It weighs 139.4 g. <\/p>\n

Calcite and Apophyllite from the Deccan Traps<\/h2>\n

The Jalgaon district is part of the Deccan Traps, an extensive sequence of basaltic lava flows in western India. Gas cavities and fractures remained within the volcanic rock as the lava cooled. <\/p>\n

Mineral-bearing fluids later circulated through these open spaces. Calcite and minerals of the apophyllite group crystallized on the cavity walls, frequently together with zeolites and other secondary minerals. <\/p>\n

The association of large rhombohedral calcite crystals with smaller apophyllite crystals on dark volcanic matrix is characteristic of the mineralization found in Maharashtra.<\/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\n
Feature <\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
Minerals<\/td>\nCalcite with apophyllite<\/td>\n<\/tr>\n
Chemical composition<\/td>\nCalcite: calcium carbonate, CaCO\u2083; apophyllite group: hydrated potassium-calcium silicate<\/td>\n<\/tr>\n
Locality<\/td>\nJalgaon district, Maharashtra, India<\/td>\n<\/tr>\n
Dimensions<\/td>\n8.5 \u00d7 5.0 \u00d7 3.5 cm<\/td>\n<\/tr>\n
Weight<\/td>\n139.4 g<\/td>\n<\/tr>\n
Specimen Size<\/td>\nCabinet specimen <\/td>\n<\/tr>\n
Calcite color<\/td>\nColorless to pale cream and grayish-white<\/td>\n<\/tr>\n
Apophyllite color<\/td>\nColorless to white<\/td>\n<\/tr>\n
Calcite luster<\/td>\nModerate vitreous<\/td>\n<\/tr>\n
Apophyllite luster<\/td>\nDistinct vitreous<\/td>\n<\/tr>\n
Calcite transparency<\/td>\nTransparent to translucent in parts; locally opaque<\/td>\n<\/tr>\n
Apophyllite transparency<\/td>\nTransparent to translucent<\/td>\n<\/tr>\n
Calcite habit<\/td>\nBroad rhombohedral crystals<\/td>\n<\/tr>\n
Apophyllite habit<\/td>\nShort prismatic to tabular crystals<\/td>\n<\/tr>\n
Crystal arrangement<\/td>\nLarge calcite crystals surrounded and partly covered by smaller apophyllite crystals<\/td>\n<\/tr>\n
Matrix<\/td>\ndark volcanic matrix<\/td>\n<\/tr>\n
Formation<\/td>\nSecondary mineral formation in cavities and fractures within basaltic rock<\/td>\n<\/tr>\n
Special Feature<\/td>\nLarge calcite crystals with contrasting apophyllite from the Jalgaon district<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

This mineral specimen comes from the Jalgaon district in Maharashtra, India. Two prominent pale calcite crystals rise from a dark volcanic matrix and are accompanied by numerous colorless to white apophyllite crystals. The calcite forms broad, clearly defined rhombohedral crystals. The larger crystal at the front is partly transparent to translucent and shows visible internal […]\n","protected":false},"featured_media":1946,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[351],"product_tag":[],"class_list":["post-1949","product","type-product","status-publish","has-post-thumbnail","product_cat-minerals","first","instock","sold-individually","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nCalcite with Apophyllite from Jalgaon, India<\/title>\n<meta name=\"description\" content=\"Large rhombohedral calcite crystals with colorless to white apophyllite on dark volcanic matrix from Jalgaon, Maharashtra, India.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mineralien-weltweit.com\/en\/product\/calcite-apophyllite-jalgaon-india\/\" \/>\n<meta property=\"og:locale\" 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