Rare Minerals

141 results

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
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
 Bottino Mine, Tuscany
Meneghinite is a rare copper-lead-antimony sulphosalt whose type locality is the Bottino Mine at Stazzema in
 Oksoyekollen, Norway
An off-matrix, sharp, perfectly terminated crystal of the rare calcium apatite mineral Hydroxylapatite from
Dolerophanite with Euchlorine
 Tolbachik Volcano, Russia
A rare specimen of micro-crystalline Dolerophanite forming as dark olive green colour to black associated
 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
 Amelia Mine, Mexico
A 9mm deep rich blue crystal of Pseudoboleite with areas of neon blue, displaying the stepped face habit very
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
 Kabwe Mine (Broken Hill Mine), Zambia
A very rich and fine specimen of the rare phosphate Tarbuttite from the Kabwe Mine (Broken Hill Mine),
Giessenite-Izoklakeite Series
 Goldzeche, Carinthia
A very rare rich specimen of a Giessenite-Izoklakeite series mineral crystals forming
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
 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
A rare German specimen of Roselite forming rich pink clusters of bladed gemmy-translucent micro-crystals
 Talnakh Cu-Ni Deposit, Eastern-Siberian Region
A relatively large cluster of intergrown cubooctahedral very bright silvery crystals of Sperrylite
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
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
 Ojuela Mine, Mexico
A fine specimen of the rare mineral Paradamite forming essentially three groups of translucent yellow parallel
 Tsumeb Mine, Namibia
A super rich specimen of pearly lustred Leiteite from the Tsumeb Mine, Namibia. The specimen displaying
 Talnakh Cu-Ni Deposit, Eastern-Siberian Region
Very rich 3.5cm by 2cm area of bright intergrown silvery crystals measuring to 5mm of the rare platinum
Hessite with Quartz
 Botești, Alba Co.
A rich crystal specimen of the rare mineral Hessite on Quartz from Botești, Romania. An area of densely
 Wheal Gorland, England
Classic bright blue crystals of the rare mineral Liroconite from Wheal Gorland, St. Day, Cornwall. Crystals of
 Schlarbaum Quarry, Austria
Characteristic light lime green hemispheres measuring to 1.5mm of the rare Scandium mineral Kolbeckite are
 Maffei Mine (Nitzelbuch Mine), Bavaria
A very rich specimen of white druse and botryoidal  Churcheite -(Y) intergrown with Fe-Mn oxides from the
Fülöppite with Jamesonite/Boulangerite
 Kreuzstollen, Maramureș Co.
Well formed metallic grey micro-crystals of the rare mineral Fülöppite are clustered with dark metallic
Fuloppite with Zinkenite and Sphalerite
 Herja Mine, Romania
Crystals of dark lustrous brown Sphalerite micro-crystals are sparsely scattered with rare platy with
 Proprietary Mine, Australia
Rich orange crystals of Stolzite are seen aggregated and scattered over a black-brown Goethite gossan from the
 Tsumeb Mine, Namibia
A very rich specimen of green micro-crystal druse of Arsentsumebite covering a good area. The Arsentsumebite
 Cima della Bianca north slope, Grischun
A well formed 4mm prismatic crystal of Synchysite-(Ce) from La Bianca, Grischun, Switzerland. The crystal of
 California Rand No. 2 Mine, California
Miargyrite is a rare silver-antimony sulfosalt from the California Rand No2 Mine, Red Mountain,
 San Genaro Mine, Peru
Metallic grey sparkling microcrystals of the rare Silver-Antimony Sulphosalt Miargyrite cover the
Chalcostibite with Tetrahedrite on Quartz
 Boldut Mine, Romania
Intergrown metallic bright grey bladed crystals of Chalcostibite measuring to around 2mm are richly intergrown
 Wheal Gorland, England
A fine rich specimen of Chalcophyllite crystals abundantly intergrown in a cavity in a typical Gossan
 Zupkov, Slovakia
A rare specimen of Tetradymite from the type location at Župkov, Slovakia. Trigonal crystals of metallic
Semseyite with Sphalerite and Siderite
 Herja Mine, Romania
A well-developed radial cluster of parallel bladed metallic grey Semseyite crystals sits amidship of the
Nagyagite on Quartz
 Sacarimb (Nagyag), Romania
Very well formed characteristic platy crystals of the rare mineral Nagyagite are richly intergrown over a good
 Wheal Gorland, England
A rare crystal specimen of classic lustrous blue Liroconite forming two intergrown crystal areas measuring up
Parkinsonite in Mendipite
 Torr Works Quarry, England
A very rare specimen of Parkinsonite from Torr Works Quarry (Merehead Quarry), Somerset. Red 1mm areas of