Rare Minerals

142 results

Nikischerite with Vivianite and Pyrite
$2,500
 Huanuni mine, Bolivia
An ugly but excellent specimen of the very rare Na-Fe-Al sulphate Nikischerite from its type locality at the
Hocartite with Rhodostannite, Cassiterite, Ferberite and Sphalerite
$300
 Oploca Mine, Jujuy
A complexly mineralised vein structure with dark grey well indurated slate on one side, the associated wall
Phenakite
$900
 Rio Piracicaba, Brazil
A near-perfectly developed ex-matrix Phenakite crystal from Rio Piracicaba in Minas Gerais, Brazil.  This
Tantalite-(Mn)
$750
 Nazareno, Brazil
A choice double terminated crystal of Tantalite-(Mn) from the São João del Rei pegmatite province of Nazareno
Tantalite-(Mn)
$850
 Nazareno, Brazil
An excellent orthorhombic crystal of Tantalite-(Mn) from the São João del Rei pegmatite province of Nazareno
Miguelromeroite with Rhodochrosite
$170
 Veta Negra Mine, Atacama
Pale salmon-pink crystals, some tinged buff-tan, of the rare species Miguelromeroite line a 20 x 5 mm vug in a
Lemanskiite
$200
 Abundancia Mine, Antofagasta Region
A rich miniature specimen of turquoise blue rare Lemanskiite with lighter blue possible Lavendulan from the
Whewellite
$650
 Pribram, Czech Republic
A sharp, single crystal of Whewellite measuring to 2.9 cm, with a very apparent steep termination from
Tyrrellite with Umangite and Klockmannite
$150
 Eagle Claims U-Cu-Se occurrence, Saskatchewan
A small miniature displaying three rare selenide species from the remote Eagle Claims U-Cu-Se occurrence in
Nagyágite with Rhodochrosite
$2,600
 Sacarimb (Nagyag), Romania
The Archduke Stephan Collection contained many rare mineral species, including this excellent specimen of the
Asisite, Britvinite and Hematophanite
$2,000
 Kombat Mine, Namibia
A mixed ore specimen composed of granular Asisite, Britvinite, Hematophanite and Quartz from Kombat mine,
Ludlockite with Schneiderhöhnite
$2,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A terrific combination of a number of rare mineral species from the Tsumeb mine in Namibia.  A roughly
Malachite pseudomorph after Azurite with Gartrellite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A gorgeous small cabinet specimen of velvet textured, deep emerald-green Malachite pseudomorphs replacing
Lanthanite-(Ce) and Malachite
$850
 Sneyd’s Level, Wales
Lanthanite-(Ce) is a rare cerium-lanthanum-neodymium carbonate whose type locality is the Britannia mine,
Native Silver with Dyscrasite
$700
  Pribram, Czech Republic
A granular, milky quartz matrix is richly impregnated and coated with pinkish-silver Native Silver in hackly
Dyscrasite
$1,500
 Gnade Gottes Mine, Lower Saxony
A tabular milky Quartz matrix is very richly shot-through with silvery-steel-grey Dyscrasite, a silver
Bournonite with Quartz
$8,500
 Herodsfoot Mine, England
A first-class specimen of classic ‘cog-wheel’ ore, the lead-copper antimoniate, Bournonite, from Herodsfoot
Montgomeryite
$1,500
 Tip Top Mine, USA
An excellent specimen of the very seldom encountered species Montgomeryite, a calcium-magnesium-aluminium
Liroconite
$800
 Wheal Gorland, England
A granular, large thumbnail matrix of iron-stained milky Quartz, is richly coated with intergrown blades of
Paravauxite with Childrenite
$250
 Llallagua, Bolivia
An excellent specimen of the rare hydrated iron-aluminium phosphate hydroxide Paravauxite as very pale-yellow
Jadeite (Emerald Jade)
$5,000
 Uru Fluss, Myanmar (Burma)
Of the two types of jade, Nephrite and Jadeite, Jadeite is by far the most precious and sought-after species.
Kostovite
$1,000
 Chelopech Au-Cu Mine, Sofiya Oblast
A thumbnail fragment of the very rare copper-gold telluride species Kostovite from its type locality of the
Steverustite
$350
 Frongoch Mine, Wales
An excellent and rich micromount of the very rare lead thiosulphate, Steverustite, from its type locality at
Barytocalcite
$1,250
 Nentsberry Haggs Mine, England
A very fine cabinet specimen of the rare barium-calcium carbonate, Barytocalcite, from Nentsberry Haggs mine
Leiteite
$500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A very rich thumbnail specimen of the rare mineral Leiteite displaying the characteristic
Ludlamite
$350
 Cabeça do Cachorro Claim, Amazonas
Ludlamite is a rare iron-manganese-magnesium phosphate and this very fine specimen shows the wonderful quality
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
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
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
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
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
 Mansfeld Basin, Saxony-Anhalt
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
 Barra do Salinas, Brazil
Hydroxyl-Herderite is a calcium-beryllium phosphate found in pegmatites at many localities but is uncommon at