Rare Minerals

143 results

Ludlamite
$350
 Cabeça do Cachorro Claim, Amazonas
Ludlamite is a rare iron-manganese-magnesium phosphate and this very fine specimen shows the wonderful quality
Klockmannite with Paratellurite (?)
$200
 Moctezuma Mine (Bambolla Mine), Sonora
An extremely rare specimen of the copper-selenium alloy Klockmannite, a copper selenide (CuSe).  Golden
Potarite
$250
 Potaro River, Potaro-Siparuni Region
An extremely rare specimen of the palladium-mercury alloy Potarite, a palladium amalgam (PdHg).  This
Legrandite
$500
 Ojuela Mine, Mexico
A neat miniature of the rare zinc arsenate mineral Legrandite forming vivid acidic bright lemon-yellow
Wherryite with Diaboleite
$900
 Mammoth-St. Anthony Mine, USA
A superbly-rich miniature of the lead-copper sulphosilicate Wherryite and lead-copper halide Diaboleite from
Frohbergite with Native Tellurium
$100
 Bennett Lake area, Ontario
Contained in a Perspex micromount box, this small thumbnail is rich in metallic bright tin-white plates of
Native Gold with Hessite and Goldfieldite
$450
 Tintic District, Utah
An unusual group of gold minerals occurring in one specimen from the Tintic District in Juab County, Utah,
Awaruite (Josephinite)
$200
 Josephine County, Oregon
A smooth water-worn, silvery-black metallic nugget of Awaruite, a natural alloy of nickel and iron (Ni3Fe),
Sincosite with Minyulite
$400
 Ross Hannibal Mine, South Dakota
A rare specimen of the calcium-vanadium phosphate Sincosite occurring as lime green tetragonal plates to about
Bannisterite
$800
 Broken Hill, Australia
A very rich specimen of the rare mineral Bannisterite from the Broken Hill Mining District of New South Wales,
Sturmanite
$800
 N'Chwaning Mines, South Africa
Small acid-yellow to much larger burnt toffee-yellow crystals of Sturmanite richly coat a pinkish-grey matrix
Froodite
$250
 Talnakh Cu-Ni Deposit, Eastern-Siberian Region
A polished ore-section mount of metallic grey areas in a 'Chalcopyrite'-like matrix from the Talnakh
Chlorbartonite
$150
 Koashva Open Pit, Northern Region
Rare metallic bronze-brown area of Chlorbartonite in a white matrix with a number of other undefined species
Calaverite
$5,000
 Portland Mine, Colorado
A large Quartz specimen is loaded with bright metallic yellowish to tin white crystals of the rare Gold
Sylvanite
$2,500
 Baia de Aries, Romania
A 5 x 4 cm area of a 1 cm thick Quartz plate is almost entirely encrusted with bright silver Sylvanite from
Mellite
$450
 Csordakuti Mine, Hungary
Mellite is a very unusual mineral species in that it is one of the very few organic minerals, with a chemistry
Kolbeckite
$150
 Schlarbaum Quarry, Austria
Well-developed intergrown and a single pastel green crystalline hemisphere of the rare mineral
Lemanskiite
$300
 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
$3,500
 Ojuela Mine, Mexico
A particularly fine specimen of Köttigite-Parasymplesite series forming excellent displays of radial
Liroconite
$6,500
 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
$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, Oshikoto Region (Otjikoto Region)
A rich small cabinet specimen of Beudantite and Segnitite, both occurring as equant micro-crystals and
Zincolivenite with Schultenite
$1,250
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
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, Oshikoto Region (Otjikoto Region)
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
$3,500
 Wheal Gorland, England
Well formed double wedge habit crystals of fine lustrous blue Liroconite from Wheal Gorland, St. Day,
Calaverite with Fluorite/Quartz
$4,500
 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.
$450
 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
$1,300
 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
$3,500
 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
$500
 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