4332 results

 Dallas Gem Mine, USA
A pair of superb twinned Neptunite crystals measuring 2 cm sat on a block of greyish-blue and white Natrolite
 Locality -> Barra do Salinas, Brazil
A creamy-tan-buff crystal of Hydroxylherderite with a number of attached small crystals, these to about 5
 Siglo Veinte Mine, Potosí Department
A good specimen and fine example of the rare iron-aluminium phosphate Vauxite, from its type locality of the
 Jardinera No 1 Mine, Chile
An excellent parallel-stacked cluster of hexagonal, steely-silver-grey Molybdenite crystals measuring 1.9 x
Elbaite Tourmaline
 Locality -> Barra do Salinas, Brazil
A pleasing, off-matrix, single crystal of Elbaite Tourmaline with a good termination from Barra do Salinas in
 Cruzeiro mine, Minas Gerais
An attractive green and deep pink bi-coloured Tourmaline lies in and proud of a slightly friable, creamy-white
Wulfenite with Mimetite
A beautiful and eye-catching miniature golden-orange Wulfenite group with cauliform spherules of deep
 Capillitas Mine, Argentina
The Capillitas mine and mining district in the Andalgalá Department of Argentina is well known for its many
Quartz Var. Amethyst
 Piedra Parada, Mexico
A single, off-matrix, slightly asymmetric hexagonal Amethyst Quartz crystal of outstanding colour and clarity
 Locality -> Barra do Salinas, Brazil
A fine cluster of deep bottle-green Tourmaline crystals with minor white Cleavelandite blades, a variety of
 Cabeça do Cachorro Claim, Amazonas
Ludlamite is a rare iron-manganese-magnesium phosphate and this very fine specimen shows the wonderful quality
Quartz Var. Rose Quartz
 Taquaral, Brazil
A solid cluster of bright rose-pink, slightly lilac, Rose Quartz from Taquaral in the Jequitinhonha Valley of
A naturally worn nugget of solid, high-quality Turquoise from Arizona, USA.  The outer mamillary surface
Wulfenite with Mimetite
Beautiful mustard-orange tabular crystals of Wulfenite to 2 cm on edge, richly coated with orangey-lemon
Anorpiment with Orpiment
 Palomo Mine, Huancavelica Department
An excellent specimen of the rare species Anorpiment occurring as greenish-yellow powdery coatings associated
Klockmannite with Paratellurite (?)
 Moctezuma Mine (Bambolla Mine), Sonora
An extremely rare specimen of the copper-selenium alloy Klockmannite, a copper selenide (CuSe).  Golden
 Potaro River, Potaro-Siparuni Region
An extremely rare specimen of the palladium-mercury alloy Potarite, a palladium amalgam (PdHg).  This
 Ojuela Mine, Mexico
A neat miniature of the rare zinc arsenate mineral Legrandite forming vivid acidic bright lemon-yellow
Beryl Var. Aquamarine
 Minas Gerais, Brazil
An off-matrix, semi-transparent hexagonal Beryl crystal from Minas Gerais, Brazil. The crystal contains gemmy
Calcite with Native Copper
 Franklin Mine, USA
One of the most sought after and highly prized minerals from the historic copper mines of the Keweenaw
Fluorite with Calcite, Sphalerite and Galena
 Annabel Lee Mine, USA
A fabulous combination specimen of a 7.5 cm sherry-brown Calcite crystal on a bed of granular, sucrosic buff
A stunning, off-matrix, transparent and colourless Topaz crystal from Carai in Minas Gerais state,
 Sweetwater Mine, USA
A great well crystallised Galena from the lead-zinc Sweetwater mine in Reynolds County, Missouri, USA.  A
 Choix, Mexico
Bright bubble-gum Smithsonite forms undulating mammillary druses of a stunning silky lustre as a 4 mm thick
Native Copper
A magnificent cabinet sized Native Copper from Houghton County in the Keweenaw Peninsula of Michigan,
Beryl Var. Aquamarine
 Minas Gerais, Brazil
An arresting and highly unusual specimen of gemmy Beryl with a highly reflective glassy lustre, superb natural
An off-matrix part crystal of water-clear cornflower-blue Topaz from Virgem da Lapa in the Jequitinhonha
 Ross Hannibal Mine, South Dakota
Pale peppermint-green tabular plates of the calcium-vanadium phosphate Sincosite occurs in rich patches across
Wherryite with Diaboleite
 Mammoth-St. Anthony Mine, USA
A superbly-rich miniature of the lead-copper sulphosilicate Wherryite and lead-copper halide Diaboleite from
Beryl Var. Morganite
A 4.2 x 2.8 x 2.0 cm prismatic hexagonal crystal of Morganite, the pink variety of Beryl, from the Blue Lady
Gerstleyite with Inderite and Tincalconite
 Baker Mine (D Level), California
An interesting specimen of rare mineral species comprising a 1.6 x 1.2 cm area of rich, cinnabar-red
Native Gold with Quartz
A superb display specimen of Native Gold forming a 2.7 x 2.4 cm leaf that juts out from a rectangular block of
Getchellite, Realgar and Orpiment (Specimen and Polished Mount)
The Getchellite occurs as 1 to 2 mm bright metallic scarlet blades on a matrix of orange-yellow Orpiment and
Cuprite with Native Copper
An attractive 4 x 3 cm group of metallic burgundy-red Cuprite crystals to about 6 mm in a matrix of earthy
Frohbergite with Native Tellurium
 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
 Tintic District, Utah
An unusual group of gold minerals occurring in one specimen from the Tintic District in Juab County, Utah,
Grossular (Garnet Group)
 Jeffrey Mine, Canada
A delightful large thumbnail cluster of gemmy red-orange Grossular Garnets on a tiny and hidden matrix from
Awaruite (Josephinite)
 Josephine County, Oregon
A smooth water-worn, silvery-black metallic nugget of Awaruite, a natural alloy of nickel and iron (Ni3Fe),
Sincosite with Minyulite
 Ross Hannibal Mine, South Dakota
A rare specimen of the calcium-vanadium phosphate Sincosite occurring as lime green tetragonal plates to about
Tourmaline with Quartz
A beautiful old-time specimen of Elbaite Tourmaline crystals generously scattered over a matrix of mixed white
Elbaite Tourmaline
 Paprok, Afghanistan
An excellent single crystal of bicoloured gemmy-translucent Elbaite Tourmaline from Paprok, Afghanistan. The
  Pribram, Czech Republic
Plumose sprays to 4 x 3 cm of lustrous acicular Wurtzite crystals thickly cover the top surface of a
Stephanite with Quartz
A splendid cabinet display specimen of the silver antimony sulphosalt Stephanite as sub-mm black to
A spectacular specimen of the calcium-copper sulphate, Devilline, from Špania Dolina in Banská Bystrica
Native Gold
 Banska Stiavnica (Schemnitz), Slovakia
A great little Native Gold from Banská Štiavnica (Schemnitz) in Slovakia, containing Native Gold leaves, wires
 Jáchymov District (St Joachimsthal), Bohemia
Rich blocky crystals of deep burgundy-red Proustite are developed within and on top of a matrix of mixed white
A lovely undamaged crystal of pale yellowish-tan Scheelite with associated Quartz crystals from the St. Helena
  Pribram, Czech Republic
A tight cluster of golden-brassy Chalcopyrite crystals on an opaque off-white Quartz matrix from the Příbram