![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
  | |
![]() |
C617 - Sphalerite $ 400 Eagle Mine, Gilman Co., Colorado, USA miniature - 5 x 4.5 x 3.5 cm ![]() ![]() ![]() Irridescent purple blue Sphalerite crystals on Quartz, the color reminiscent of Covellite. Beautiful specimen out of an old collection.
C618 - Amethyst after Calcite $ 350 Ro Grande do Sul, Brazil cabinet - 15 x 7 x 6 cm ![]() ![]() ![]() Large hexagonal Calcite crystal that has been replaced by Amethyst. The specimen is covered in a druse of Amethyst crystals except for one side which shows some residual Calcite.
C620 - Diaspore $ 300 Aydun, Mugula, Turkey miniature - 5 x 2 x 1.5 cm ![]() ![]() ![]() Interconnected, gem quality V-twin Diaspore crystals. Weighs 12.5 grams.
SM211 - Babingtonite, Prehnite, and Quartz $ 300 Hongquizhen Quarry, Meigu Co., Liangshan Autonomous Prefecture, Sichuan Province, China small cabinet - 6.4 x 3.5 x 2.8 cm ![]() ![]() ![]() ![]() ![]() ![]() A beautiful specimen hosting sharp black babingtonite crystals with light green prehnite on Quartz points. It's a 'floater' with no apparent point of attachment and no visible damage to any of the species. This example is in pristine condition and is as superb classic from this Chinese locality.
SM243 - Fluorite and Calcite with Galena Chihuahua, Mexico cabinet - 11.0 x 8.0 x 8.0 cm ![]() ![]() ![]() ![]() This specimen has water-clear fluorite crystals positioned on massive white calcite. A few grey-black galena crystals and some very minor micro pyrite crystals are also in association. The calcite surfaces are smooth showing some evidence of etching. Ex. Frazier's Minerals.
SM308 - Azurite with Malachite ps. after Azurite $ 150 Tsumeb, Otijikoto (Oshikoto) Region, Namibia thumbnail - 3.1 x 2.3 x 1.7 cm ![]() ![]() ![]() ![]() Dark blue azurite crystals are seen intermixed with several Malachite pseudomorph after Azurite crystals from this world-class locality. If you view the specimen under magnification, there are at least two other species present with distinctly different microcrystals. Ex. Carl Acosta, Russel Jones collections.
SM314 - Copper $ 120 Ray Mine, Gila County, Arizona cabinet - 10.5 x 9.5 x 2.0 cm ![]() ![]() ![]() ![]() Flattened sheet of copper crystals with a small bit of white matrix. This specimen consists of compact, flat dodecahedral habit copper crystals that still have much of their natural patina. Ex. Robert M. Philips Collection. An Arizona classic.
SM316 - Fluorite, Galena, and Arsenopyrite $ 250 Ojuela Mine, Mapimi, Durango, Mexico small cabinet - 5.7 x 3.5 x 2.7 cm ![]() ![]() ![]() ![]() ![]() ![]() ![]() Clear modified cube Fluorite crystals are seen on the tops of gray galena crystals. Also in association are numerous groups of small silver colored Arsenopyrite crystals. A classic combination suite of species from Ojuela, with Fluorite on Galena being uncommon. Undamaged floater crystallized on all sides.
SM319 - Beryl var. Aquamarine with Muscovite Pingwu beryl mine, Pingwu Co., Mianyang Prefecture, Sichuan Province, China cabinet - 11.0 x 7.0 x 6.0 cm ![]() ![]() ![]() ![]() ![]() This is specimen with light blue, hexagonal, tabular crystals of gemmy aquamarine, on a three-dimensional matrix covered with bladed muscovite. Numerous large glassy crystals to 5cm wide, very clean.
SM320 - Pyrrhotite with Muscovite $ 200 Nikolaevskiy Mine, Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russiaa small cabinet - 7.0 x 4.2 x 2.6 cm ![]() ![]() ![]() ![]() Well-formed tabular, compound stacked Pyrrhotite crystals rest in a matrix of milky quartz and Calcite on this outstanding cabinet specimen from the Nikolaevskiy Mine at Dal'negorsk. It is, essentially, a 'floater' with no visible point of contact. No damage to any of the main crystals. Largest single crystal measures 3cm wide.
SM326 - Andradite var. Demantoid $ 200 Antetezambato Demantoid-Topazolite Mine, Ambanja District, Diana Region, Antsiranana Province, Madagascar miniature - 3.6 x 3.5 x 2.0 cm ![]() ![]() ![]() ![]() ![]() Several rich green color, gemmy, dodecahedral Demantoid crystals with minor micro Stilbite crystals on matrix. The largest Demantoid crystal measures about 1cm across. Undamged, gemmy crystals. Very aesthetic.
SM331 - Siderite on Cookeite Wheal Jane, Cornwall, England miniature - 5.0 x 3.7 x 2.3 cm ![]() ![]() ![]() ![]() ![]() Here's an old English classic that features a large 1.8cm 'ball' of tan color Siderite crystals on a contrasting darker matrix of Cookeite from Cornwall. A very clean, aesthetic old-timer with numerous provenance labels including William Severance, Carter Rich, and Arnold Fisher. An old Trinity Minerals label shows a price of $300.
SM333 - Azurite $ 120 Milpillas Mine, Cuitaca, Mun. de Santa Cruz, Sonora, Mexico small cabinet - 6.2 x 3.3 x 2.3 cm ![]() ![]() ![]() ![]() Milpillas has produced some of the most beautiful Azurite specimens in recent time. Here's a matrix specimen with a 2cm wide group of dark, highly lustrous, inky blue crystals. All of the Azurite crystals are complete and sharply terminated.
SM334 - Calcite with Hematite Wessels Mine, Kahalari Manganese Field, Northern Cape Province, South Africa cabinet - 11.0 x 8.5 x 5.5 cm ![]() ![]() ![]() ![]() ![]() ![]() ![]() A display specimen of white Calcite crystals hosting a few dark black Hematite crystal groups from this classic locality. An older example from The Charlie Key Collection disbursed a number of years ago. One old label shows a former price of $600. Lots of lustrous, clear and undamaged Calcite crystals and I can only find a couple missing along the back edge.
SM335 - Diopside $ 120 Merelani Hills, Simanjiro District, Manyara Region, Tanzania thumbnail - 1.8 x 0.6 x 0.6 cm ![]() ![]() ![]() ![]() A rich green, highly gemmy and lustrous, single crystal of Diopside from Merelani Hills with sharp termination. This is the best color for Merelani Diopside.
©2010-2018 Marin Mineral |