A beautifully crystallized, quality specimen of clear ice cubes dot matrix accompanied by sphalerite. A complete floater in full 360 degree view. Ex Rosa Nowels collection

S24164 – Fluorite

A beautifully crystallized, quality specimen of clear ice cubes dot matrix accompanied by sphalerite. A complete floater in full 360 degree view. Ex Rosa Nowels collection

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Particularly appealing spinel law twinned galena without damage. Extremely sharp and complicated network that show off blinding luster of natural metallic flash. Formerly in the collection of Rosa Nowels.

S24166 – Galena

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Particularly appealing spinel law twinned galena without damage. Extremely sharp and complicated network that show off blinding luster of natural metallic flash. Formerly in the collection of Rosa Nowels.

An excellent pseudomorph of the typical, slightly elongated growth of pyrite replacing marcasite measuring 6.5 cm. Ex Rosa Nowels collection

S24168 – Pyrite

An excellent pseudomorph of the typical, slightly elongated growth of pyrite replacing marcasite measuring 6.5 cm. Ex Rosa Nowels collection

This famous English locality has produced some of the most stylish chalcopyrite over tetrahedrite specimens. Such brilliantly marked iridescent chalcopyrite selectively coating modified tetrahedral crystals is a Cornwall classic. Fine Cornish piece returning after decades from collector Rosa Nowels.

S24016 – Tetrahedrite

This famous English locality has produced some of the most stylish chalcopyrite over tetrahedrite specimens. Such brilliantly marked iridescent chalcopyrite selectively coating modified tetrahedral crystals is a Cornwall classic. Fine Cornish piece returning after decades from collector Rosa Nowels.

A splendid rarity from Canada and an extremely well crystallized and pronounced display of radial gormanite over glistening quartz and siderite matrix. This is a balanced and unusually fine example of the phosphate in pristine condition. Ex Rosa Nowels collection

S24018 – Gormanite

A splendid rarity from Canada and an extremely well crystallized and pronounced display of radial gormanite over glistening quartz and siderite matrix. This is a balanced and unusually fine example of the phosphate in pristine condition. Ex Rosa Nowels collection

This spectacular example of fluorapatite, with its crystal measuring 2.5 cm sits nicely poised on arsenopyrite. This famous locality has for over 100 years produced fine specimens and this one is classic Panasqueira material. Ex Rosa Nowels collection

S24027 – Fluorapatite

This spectacular example of fluorapatite, with its crystal measuring 2.5 cm sits nicely poised on arsenopyrite. This famous locality has for over 100 years produced fine specimens and this one is classic Panasqueira material. Ex Rosa Nowels collection

Showy linarite of glossy “wet” and lustrous electric-blue crystals from Red Gill mine in Cumbria, England. A specimen collected in the 1970s and eventually went into the collection of Rosa Nowels.

S24030 – Linarite

Showy linarite of glossy “wet” and lustrous electric-blue crystals from Red Gill mine in Cumbria, England. A specimen collected in the 1970s and eventually went into the collection of Rosa Nowels.

This type of pseudomorph has a definite appeal to it. Sharp faced lazurite after phlogopite completely replaced by rich indigo-blue lazurite that is not a partial coating as most. Encased in marble and prone to contacting it is surprising to see such an undamaged example. An old specimen from Francois Lietard who had the finest selection of this material. Ex Rosa Nowels collection

S24033 – Lazurite

This type of pseudomorph has a definite appeal to it. Sharp faced lazurite after phlogopite completely replaced by rich indigo-blue lazurite that is not a partial coating as most. Encased in marble and prone to contacting it is surprising to see such an undamaged example. An old specimen from Francois Lietard who had the finest selection of this material. Ex Rosa Nowels collection

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This specimen of deep blue cavansite to 2.5 cm shows remarkable contrast and there is only a single premier locality for it. Fine miniature of very bold, very bright color.

S24035 – Cavansite

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This specimen of deep blue cavansite to 2.5 cm shows remarkable contrast and there is only a single premier locality for it. Fine miniature of very bold, very bright color.

The world famous Dal’negorsk locality produced some of the finest galenas ever, with the typical nickel-bright luster that makes them attractive. This specimen forming clusters of roughly a dozen.

S24038 – Galena

The world famous Dal’negorsk locality produced some of the finest galenas ever, with the typical nickel-bright luster that makes them attractive. This specimen forming clusters of roughly a dozen.