Price: Now $3.00 (Was $6.00) Description: Crystals of stilbite (likely stilbite-Ca) with complex terminations. The underlying calcite fluoresces pink under longwave. Se Mineral Matters #741 for information about the locality.…
MMS 53-11 Quartz, Spring Street Outcrop, Staten Island, New York, USA
Price: Now $4.00 (Was $8.00) Description: Greenish quartz crystals. The area is known for serpentine minerals, so possibly the source of the colour. Specimen is permanently mounted in a micro…
MMS 53-10 Hemimorphite, Passaic Pit, Sterling Hill Mine, Ogdensburg, New Jersey, USA
Price: Now $7.50 (Was $15.00) Description: Lovely sprays of well-terminated hemimorphite. Specimen is permanently mounted in a micro box. Close up photo width is 9mm. Below: Hemimorphite, Passaic Pit, Sterling…
MMS 52-10 Topaz, Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
Price: Now $4.00 (Was $8.00) Description: Colourless sprays of prismatic topaz crystals with sanidine(?). The matrix fluoresces pink under shortwave ultraviolet light. Photo width 14mm. Comes in a micro box.…
SOLD MMS 49-5 Quartz, Baluchistan, Pakistan
Price: Now $5.00 (Was $10.00) Description: A group of sharp colourless quartz crystals with a bit of brown iron hydroxide coating. It could probably benefit from a bath in Iron…
MMS 49-2 Sanidine, Pseudobrookite, Wannenköpfe Quarry, Ochtendung, Maifeld, Mayen-Koblenz, Rhineland-Palatinate, Germany
Price: Now $3.00 (Was $6.00) Description: Colourless pseudo-hexagonal crystals of sanidine with isolated silvery prismatic pseudobrookite. Specimen comes in a micro box. Closeup photo width 6mm. Below: Sanidine, Pseudobrookite, Wannenköpfe…
MMS 49-17 Pseudomalachite, Silberbrünnle Mine, Gengenbach, Gengenbach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
Price: Now $2.00 (Was $5.00) Description: Dark green crystal aggregates of pseudomalachite protected in a cavity in quartz. Specimen comes in a micro box. Closeup photo width 6mm. Below: Pseudomalachite,…
SOLD MMS 49-12 Smoky Quartz, Topaz, Skardu, Pakistan
Price: Now $15.00 (Was $30.00) Description: A sharp black smoky quartz with a pale-coloured lustrous topaz crystal on matrix. Specimen measures 40x25x22mm. Below: Smoky Quartz, Topaz, Skardu, Pakistan.
MMS 47-14 Metacinnabar, Cinnabar, Siderite, Styrian Erzberg, Eisenerz, Leoben District, Styria, Austria
Price: Now $3.00 (Was $7.00) Description: Black metacinnabar and red cinnabar on a brown siderite crystal, no matrix. The siderite is only about 2×1.5mm. Specimen comes in a micro box.…
MMS 45-10 Mimetite, Dry Gill Mine, Caldbeck Fells, Cumbria, England, UK
Price: Now $12.50 (Was $25.00) Description: Orange “Campylite”, mimetite that forms in a particular rounded habit from this classic locality. Specimen measures 50x30x28mmmm. Below: MMS 45-10 Mimetite, Dry Gill Mine,…
MMS 44-11 Unidentified Copper Selenide, El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia
Price: Now $15.00 (Was $30.00) Description: A vein of an unidentified copper selenide mineral. Also present are a few small sprays of an unidentified light blue selenate. There are twelve…