{"id":1931,"date":"2026-05-21T09:01:55","date_gmt":"2026-05-21T07:01:55","guid":{"rendered":"https:\/\/mineralien-weltweit.com\/product\/natrolite-richter-quarry-hammerunterwiesenthal-germany-2\/"},"modified":"2026-05-21T09:01:55","modified_gmt":"2026-05-21T07:01:55","slug":"natrolite-richter-quarry-hammerunterwiesenthal-germany-2","status":"publish","type":"product","link":"https:\/\/mineralien-weltweit.com\/en\/product\/natrolite-richter-quarry-hammerunterwiesenthal-germany-2\/","title":{"rendered":"Natrolite from the Richter Quarry near Hammerunterwiesenthal, Germany"},"content":{"rendered":"

This natrolite specimen comes from the Richter Quarry near Hammerunterwiesenthal in the Saxon Ore Mountains. Numerous fine natrolite crystals cover several areas of a natural phonolite matrix. <\/p>\n

The crystals are densely intergrown and form compact, partly radial aggregates. Their color ranges from white to cream-colored. The darker matrix remains visible in places between the crystal groups. <\/p>\n

Measuring 6.5 \u00d7 5.2 \u00d7 4.5 cm, the piece belongs to the small cabinet specimen size category. It weighs 195 g. <\/p>\n

Natrolite from a Phonolite Occurrence in the Ore Mountains<\/h3>\n

The Richter Quarry near Hammerunterwiesenthal is a well-known German locality for natrolite and other zeolite minerals. The quarry exposes phonolite in which various secondary minerals formed in fractures and cavities. Natrolite is documented from this locality. <\/p>\n

Mineral-bearing fluids circulated through open spaces within the volcanic rock. Natrolite was deposited on the cavity walls and formed dense crystal aggregates. <\/p>\n

The compact crystal development, phonolite matrix, and documented provenance make this piece a characteristic natrolite specimen from Hammerunterwiesenthal.<\/p>\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
Mineral<\/td>\nNatrolite<\/td>\n<\/tr>\n
Chemical Composition<\/td>\nHydrated sodium aluminum silicate, Na\u2082Al\u2082Si\u2083O\u2081\u2080 \u00b7 2H\u2082O<\/td>\n<\/tr>\n
Locality<\/td>\n Richter Quarry, Hammerunterwiesenthal, Oberwiesenthal, Erzgebirge district, Saxony, Germany<\/td>\n<\/tr>\n
Dimensions<\/td>\n6.5 \u00d7 5.2 \u00d7 4.5 cm<\/td>\n<\/tr>\n
Weight<\/td>\n195 g<\/td>\n<\/tr>\n
Specimen Size<\/td>\nSmall Cabinet Specimen<\/td>\n<\/tr>\n
Color<\/td>\nWhite to cream-colored<\/td>\n<\/tr>\n
Luster<\/td>\nMatte to silky<\/td>\n<\/tr>\n
Transparency<\/td>\nOpaque<\/td>\n<\/tr>\n
Crystal Habit<\/td>\nFine natrolite crystals<\/td>\n<\/tr>\n
Crystal arrengement<\/td>\nDense, partly radial aggregatese<\/td>\n<\/tr>\n
Matrix<\/td>\nPhonolite<\/td>\n<\/tr>\n
Formation<\/td>\nZeolite formation in fractures and cavities within phonolite<\/td>\n<\/tr>\n
Special Feature<\/td>\nNatrolite from the Richter Quarry near Hammerunterwiesenthal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

This natrolite specimen comes from the Richter Quarry near Hammerunterwiesenthal in the Saxon Ore Mountains. Numerous fine natrolite crystals cover several areas of a natural phonolite matrix. The crystals are densely intergrown and form compact, partly radial aggregates. Their color ranges from white to cream-colored. The darker matrix remains visible in places between the crystal […]\n","protected":false},"featured_media":1928,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[351],"product_tag":[],"class_list":["post-1931","product","type-product","status-publish","has-post-thumbnail","product_cat-minerals","first","instock","sold-individually","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nNatrolite from Hammerunterwiesenthal, Germany<\/title>\n<meta name=\"description\" content=\"White to cream-colored opaque natrolite crystals on phonolite matrix from the Richter Quarry near Hammerunterwiesenthal, Germany.\" \/>\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\/natrolite-richter-quarry-hammerunterwiesenthal-germany-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" 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