Rare Minerals

135 results

 Csordakuti Mine, Hungary
Mellite is a very unusual mineral species in that it is one of the very few organic minerals, with a chemistry
 Schlarbaum Quarry, Austria
Well-developed intergrown and a single pastel green crystalline hemisphere of the rare mineral
 Chuquicamata District, Antofagasta Region
Bluish-green striated platelets and earthy coatings of the copper iodide mineral Salesite are distributed over
 Abundancia Mine, Antofagasta Region
Sky-blue lustrous areas of the rare species Lemanskiite NaCaCu 5 (AsO 4 )4Cl · 5H 2 O are formed
Köttigite-Parasymplesite series
 Ojuela Mine, Mexico
A particularly fine specimen of Köttigite-Parasymplesite series forming excellent displays of radial
 Wheal Gorland, England
A very fine and rich specimen of Liroconite from  Wheal Gorland, St. Day, Cornwall. Excellent blue to
Pyrargyrite with Argentopyrite and Native Arsenic
 Samson Mine, Germany
A complex specimen composed of concentric nested shell-like druses of light-grey Native Arsenic heavily
 San José Mine, Oruro Department
The lead-silver-antimony sulphosalt mineral, Andorite, is seldom seen in collections and this fine specimen is
A miniature containing two nickel arsenate minerals, Maucherite and Nickeline, from the Mansfeld Basin in
 Tsumeb Mine, Namibia
A rich small cabinet specimen of Beudantite and Segnitite, both occurring as equant micro-crystals and
Zincolivenite with Schultenite
 Tsumeb Mine, Namibia
Zincolivenite in bright green druse of intergrown crystals with the rare mineral Schultenite in
 Sacarimb (Nagyag), Romania
Abundant platy metallic grey crystals measuring to around 5mm of the rare mineral Nagyagite stand on
 Kipushi Mine, DR Congo (Zaire)
Kipushite is a copper-zinc phosphate and occurs on this specimen as lustrous turquoise-green micro-crystals
 Leadhills, Scotland
Substantial platy crystals of Leadhillite are seen atop the specimen in a cavity with crystals of
 Tsumeb Mine, Namibia
A sharply formed lustrous black crystal of Schneiderhohnite measuring to 1.2cm displaying the crystal habit to
Szenicsite with Powellite
 Jardinera No 1 Mine, Chile
A large and impressive specimen of the rare mineral Szenicsite, a copper molybdate, from the type locality at
Inesite with Orlymanite
 N'Chwaning Mines, South Africa
Crystalline radial botryoidal red-pink Inesite displays the light pink to good advantage around the edge of
 Locality -> Barra do Salinas, Brazil
Hydroxyl-Herderite is a calcium-beryllium phosphate found in pegmatites at many localities but is uncommon at
 N'Chwaning I Mine, South Africa
Charlesite is a very rare calcium-aluminium sulphate and a member of the Ettringite group.  This species
Powellite is a calcium molybdate and member of the Scheelite Group.  While typically opaque and neutrally
A stunning specimen of the rare calcium-cerium carbonate fluoride Synchysite-(Ce) from Pizzo Bandiera in the
 Kambove District, Katanga (Shaba)
Equant, mirror-bright, metallic silver crystals of the copper-cobalt sulphide Carrollite are scattered over a
 Imiter Mine, Morocco
This is a great looking specimen of a very vuggy, light grey sulphide matrix, richly covered in small acicular
 Oksoyekollen, Norway
An off-matrix, sharp, perfectly terminated crystal of the rare calcium apatite mineral Hydroxylapatite from
 Wheal Gorland, England
Well formed double wedge habit crystals of fine lustrous blue Liroconite from Wheal Gorland, St. Day,
Calaverite with Fluorite/Quartz
 Cresson Mine, Colorado
Bright metallic brassy bladed crystals of the rare gold telluride mineral Calaverite measuring to 4mm are
Pearceite (Arsenpolybasite) with Acanthite
 Uchucchacua Mine, Peru
A rare and very rich specimen of intermixed Pearceite in abundant platy silvery-grey crystals measuring
Volborthite with Malachite on Chrysocolla.
 La Verde Mine, Chile
Bright yellow-green crystal druse of Volborthite occupies an area of up to 6cm x 3cm over a blue
 Chuquicamata Mine, Chile
Rich lustrous green crystal specimen of the rare mineral Natrochalcite abundantly covers areas of a white
 Kabwe Mine (Broken Hill Mine), Zambia
A very rich and fine specimen of the rare phosphate Tarbuttite from the Kabwe Mine (Broken Hill Mine),
 Touissit, Morocco
A particularly large specimen for a Moroccan Phosgenite forming well developed rounded barrel-like to
Giessenite-Izoklakeite Series
 Goldzeche, Carinthia
A very rare rich specimen of a Giessenite-Izoklakeite series mineral crystals forming
Xanthoconite with Proustiite and Stephanite on Native Arsenic
 Jáchymov District, Bohemia
An old and very rare specimen probably from before 1921 of the rare silver mineral Xanthoconite with abundant
Arseniosiderite with Roselite on Calcite
 Agoudal Centre Quarry, Drâa-Tafilalet Region
A large, rare, open vug measuring to 6 cm x 3 cm of Roselite is completely lined with velvety lustrous
Hessite with Native Gold
 Botești, Alba Co.
A very rich specimen of the rare silver telluride displaying well-formed intergrown crystal of Hessite measure
 Majuba Hill Mine, Nevada
A super rich specimen of Clinoclase from the Majuba Hill Mine, Nevada, USA. The specimen displays excellent
 Talnakh Cu-Ni Deposit, Eastern-Siberian Region
A classic Russian specimen of bright metallic silvery crystals of the Platinium Arsenide Sperrylite
Fizelyite with Semseyite and Calcite
 Herja Mine, Romania
Well developed abundant bladed crystals of the rare metallic grey sulfosalt Fizelyite forms fan-like groups to
Nagyagite with Rhodochrosite
 Sacarimb (Nagyag), Romania
Well developed platy crystals of Nagyagite form somewhat arborescent arrangement over an area of 5cm x 3cm
 Baia de Aries, Romania
A neat specimen of Sylvanite from the type locality at  Baia de Arieş, Romania. Metallic yellowish
Aikinite with Native Gold and Chrysocolla
 Berezovskii, Russia
A classic specimen of Aikinite with Native Gold for the Russian type location. Characteristic crystals of
Native Tellurium with Nagyágite
 Sacarimb (Nagyag), Romania
Very bright metallic silver lath-like crystals of Native Tellurium measuring to 2.3cm richly invest
Hessite with Quartz
 Botești, Alba Co.
A particularly well-formed crystal of metallic dark grey Hessite with a prismatic aspect
Hubeite with Inesite
 Fengjiashan Mine (Daye copper mine), Hubei Province
Well formed bladed crystals of dark brown Hubeite are richly intergrown with translucent pink bladed
 Sacarimb (Nagyag), Romania
Abundant well-developed slightly yellow metallic crystals of the Gold-Silver-Telluride Krennerite to 1-2mm are
Miargyrite with Baumstarkite
 San Genaro Mine, Peru
An excellent and rare specimen of two sulphosalts from the San Genaro Mine, Peru. The specimen showing
 Ojuela Mine, Mexico
A fine specimen of the rare mineral Paradamite forming essentially three groups of translucent yellow parallel
Paralaurionite with Diaboleite , Wherryite, Leadhillite
 Mammoth-St. Anthony Mine, USA
A fine complex array of species on this one specimen from the Mammoth-Saint Anthony Mine, Arizona, USA. Large