Rare Minerals

139 results

Pyrargyrite with Argentopyrite and Native Arsenic
$3,500
 Samson Mine, Germany
A complex specimen composed of concentric nested shell-like druses of light-grey Native Arsenic heavily
ANDORITE
$700
 San José Mine, Oruro Department
The lead-silver-antimony sulphosalt mineral, Andorite, is seldom seen in collections and this fine specimen is
MAUCHERITE with NICKELINE
$1,200
A miniature containing two nickel arsenate minerals, Maucherite and Nickeline, from the Mansfeld Basin in
BEUDANTITE and SEGNITITE
$1,250
 Tsumeb Mine, Namibia
A rich small cabinet specimen of Beudantite and Segnitite, both occurring as equant micro-crystals and
Asisite with Britvinite and Hematophanite
$1,500
 Kombat Mine, Namibia
Three rare species forming an intergrowth aggregate from the Kombat Mine, Namibia.
Zincolivenite with Schultenite
$1,250
 Tsumeb Mine, Namibia
Zincolivenite in bright green druse of intergrown crystals with the rare mineral Schultenite in
Nagyagite
$2,000
 Sacarimb (Nagyag), Romania
Abundant platy metallic grey crystals measuring to around 5mm of the rare mineral Nagyagite stand on
KIPUSHITE on PSEUDOMALACHITE
$800
 Kipushi Mine, DR Congo (Zaire)
Kipushite is a copper-zinc phosphate and occurs on this specimen as lustrous turquoise-green micro-crystals
Leadhillite
$6,000
 Leadhills, Scotland
Substantial platy crystals of Leadhillite are seen atop the specimen in a cavity with crystals of
Schneiderhohnite
$800
 Tsumeb Mine, Namibia
A sharply formed lustrous black crystal of Schneiderhohnite measuring to 1.2cm displaying the crystal habit to
Szenicsite with Powellite
$4,500
 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
$2,500
 N'Chwaning Mines, South Africa
Crystalline radial botryoidal red-pink Inesite displays the light pink to good advantage around the edge of
HYDROXYL-HERDERITE
$2,200
 Locality -> Barra do Salinas, Brazil
Hydroxyl-Herderite is a calcium-beryllium phosphate found in pegmatites at many localities but is uncommon at
CHARLESITE
$3,000
 N'Chwaning I Mine, South Africa
Charlesite is a very rare calcium-aluminium sulphate and a member of the Ettringite group.  This species
POWELLITE
$350
Powellite is a calcium molybdate and member of the Scheelite Group.  While typically opaque and neutrally
SYNCHYSITE-(Ce)
$5,000
A stunning specimen of the rare calcium-cerium carbonate fluoride Synchysite-(Ce) from Pizzo Bandiera in the
CARROLLITE
$4,500
 Kambove District, Katanga (Shaba)
Equant, mirror-bright, metallic silver crystals of the copper-cobalt sulphide Carrollite are scattered over a
IMITERITE WITH PROUSTITE, XANTHOCONITE AND CINNABAR
$1,500
 Imiter Mine, Morocco
This is a great looking specimen of a very vuggy, light grey sulphide matrix, richly covered in small acicular
HYDROXYLAPATITE
$850
 Oksoyekollen, Norway
An off-matrix, sharp, perfectly terminated crystal of the rare calcium apatite mineral Hydroxylapatite from
Liroconite
$3,840
 Wheal Gorland, England
Well formed double wedge habit crystals of fine lustrous blue Liroconite from Wheal Gorland, St. Day,
Calaverite with Fluorite/Quartz
$4,730
 Cresson Mine, Colorado
Bright metallic brassy bladed crystals of the rare gold telluride mineral Calaverite measuring to 4mm are
Pearceite (Arsenpolybasite) with Acanthite
$1,860
 Uchucchacua Mine, Peru
A rare and very rich specimen of intermixed Pearceite in abundant platy silvery-grey crystals measuring
Volborthite with Malachite on Chrysocolla.
$480
 La Verde Mine, Chile
Bright yellow-green crystal druse of Volborthite occupies an area of up to 6cm x 3cm over a blue
Natrochalcite
$7,500
 Chuquicamata Mine, Chile
Rich lustrous green crystal specimen of the rare mineral Natrochalcite abundantly covers areas of a white
Tarbuttite
$1,410
 Kabwe Mine (Broken Hill Mine), Zambia
A very rich and fine specimen of the rare phosphate Tarbuttite from the Kabwe Mine (Broken Hill Mine),
Phosgenite
$7,500
 Touissit, Morocco
A particularly large specimen for a Moroccan Phosgenite forming well developed rounded barrel-like to
Giessenite-Izoklakeite Series
$3,840
 Goldzeche, Carinthia
A very rare rich specimen of a Giessenite-Izoklakeite series mineral crystals forming
Xanthoconite with Proustiite and Stephanite on Native Arsenic
$9,500
 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
$540
 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
$9,500
 Botești, Alba Co.
A very rich specimen of the rare silver telluride displaying well-formed intergrown crystal of Hessite measure
Clinoclase
$6,000
 Majuba Hill Mine, Nevada
A super rich specimen of Clinoclase from the Majuba Hill Mine, Nevada, USA. The specimen displays excellent
Sperrylite
$1,060
 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
$1,410
 Herja Mine, Romania
Well developed abundant bladed crystals of the rare metallic grey sulfosalt Fizelyite forms fan-like groups to
Roselite
$1,790
 Daniel Mine (St. Daniel Mine), Saxony
A rare German specimen of Roselite forming rich pink clusters of bladed gemmy-translucent micro-crystals
Nagyagite with Rhodochrosite
$4,220
 Sacarimb (Nagyag), Romania
Well developed platy crystals of Nagyagite form somewhat arborescent arrangement over an area of 5cm x 3cm
Sylvanite
$4,610
 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
$1,700
 Berezovskii, Russia
A classic specimen of Aikinite with Native Gold for the Russian type location. Characteristic crystals of
Native Tellurium with Nagyágite
$7,500
 Sacarimb (Nagyag), Romania
Very bright metallic silver lath-like crystals of Native Tellurium measuring to 2.3cm richly invest
Hessite with Quartz
$7,500
 Botești, Alba Co.
A particularly well-formed crystal of metallic dark grey Hessite with a prismatic aspect
Hubeite with Inesite
$1,860
 Fengjiashan Mine (Daye copper mine), Hubei Province
Well formed bladed crystals of dark brown Hubeite are richly intergrown with translucent pink bladed
Krennerite
$4,220
 Sacarimb (Nagyag), Romania
Abundant well-developed slightly yellow metallic crystals of the Gold-Silver-Telluride Krennerite to 1-2mm are
Miargyrite with Baumstarkite
$7,500
 San Genaro Mine, Peru
An excellent and rare specimen of two sulphosalts from the San Genaro Mine, Peru. The specimen showing
Paradamite
$900
 Ojuela Mine, Mexico
A fine specimen of the rare mineral Paradamite forming essentially three groups of translucent yellow parallel
Paralaurionite with Diaboleite , Wherryite, Leadhillite
$8,000
 Mammoth-St. Anthony Mine, USA
A fine complex array of species on this one specimen from the Mammoth-Saint Anthony Mine, Arizona, USA. Large
Clinoclase with Malachite and Azurite
$9,500
 Mammoth Mine, USA
A remarkable specimen of rich dark blue lustrous crystalline balls and crystals of Clinoclase with botryoidal
Leiteite
$5,000
 Tsumeb Mine, Namibia
A super rich specimen of pearly lustred Leiteite from the Tsumeb Mine, Namibia. The specimen displaying
Hessite
$7,500
 Botești, Alba Co.
A fine richly adorned miniature specimen of the rare silver telluride Hessite from Botești, Romania, by far
Sperrylite
$3,840
 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