ncat Amethyst, Artigas, Uruguay
A fairly large (for me) amethyst specimen with a couple of yellowish calcite crystals from Artigas, Uruguay. The specimen measures about 185mm wide.
South America
3913 Gold, Goethite, Dorlin, Maripasoula, Arrondissement of Saint-Laurent-du-Maroni, French Guiana, France
Small patches of gold associated with altered pyrite. Labelled Inini. Ex Cedrick Gineste 2/2005. Width of view 5.75mm. Stack of 20 images. Click on the image below for a higher resolution version.
3915 Gold, Dorlin, Maripasoula, Arrondissement of Saint-Laurent-du-Maroni, French Guiana, France
Small patches of gold in quartz. Labelled Inini. Ex Cedrick Gineste 2/2005. Width of view 5.75mm. Stack of 52 images. Click on the image below for a higher resolution version.
3914 Gold, Goethite, Dorlin, Maripasoula, Arrondissement of Saint-Laurent-du-Maroni, French Guiana, France
Small patches of gold associated with altered pyrite. Labelled Inini. Ex Cederick Gineste 2/2005. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
5411 Zanazziite, Apatite, Jenipapo district, Itinga, Minas Gerais, Brazil
Greenish radial sprays of zanazziite with brown prisms of apatite? Width of view 5.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
1066 Helvite, Pyrite, Navegadora Mine (Navegador Mine; Orozimbo Mine), Penha do Norte, Conselheiro Pena, Doce valley, Minas Gerais, Brazil
Triangular brown helvite crystals with associated pyrite, previously in the Brian Shelton collection. Acquired from Cyril Kovac at the 2013 Waverley Show. Width of view 11.5mm. Stack of 40 images. Click on the image below...
ncat 2RG Beryl var Emerald, Muzo Mine, Muzo Municipality, Western Boyacá Province, Boyacá Department, Colombia
A Trapiche emerald, one of a number of isolated pieces, this one showing six emeralds emanating from an emerald core. The specimen pictured measures about 4.3mm across. Click on the image below for a higher...
7081 JL0040 Chalcophyllite, Teniente Mine, El Teniente, Rancagua, Cachapoal Province, O’Higgins, Chile
Ex Joan Lamond Collection. Acquired by Joan from Melbourne Museum in 1983. Width of view 5mm. Stack of 55 images. Click on the image below for a higher resolution version.
4429 Rutile, Diamantina, Minas Gerais, Brazil
Ex Dragon Minerals. One of a number of small reticulated rutile specimens. Width of view 19mm. Stack of 150 images. Click on the image below for a higher resolution version.
ncat RL Joteite, Jote Mine, Pampa Larga mining district, Tierra Amarilla, Copiapó Province, Atacama, Chile
Type Locality. Tiny pale blue crystals. Width of view 5mm. Stack of 61 images. Click on the image below for a higher resolution version.
4573 Sampleite, Atacamite, Santa Catalina Mine, Sierra Gorda, Chile
A beautiful cluster of blue sampleite crystals with a dark green atacamite crystal behind. Ex Bob Rothenberg. Ex Terry Scenics. Width of view 3.5mm. Stack of 50 images. Click on the image below for a...
7390 JL4983 Sigloite, Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosí, Bolivia
Type Locality. Ex Joan Lamond Collection.
7313 JL3687 Metavauxite, Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo, Potosí, Bolivia
Type Locality. Ex Joan Lamond Collection.
30109 Bournonite, Pyrite, Machacamarca subdistrict, Machacamarca mining district (Colavi mining district), Cornelio Saavedra Province, Potosí, Bolivia
Two twinned bournonite crystals on matrix. Largest crystal 33x21x5mm.
1388 Rhodochrosite, Capillitas mining district, Andalgalá Department, Catamarca Province, Argentina
Pale pink crystals. Width 18.5mm. Stack of 160 images. Acquired from Ian Graham in 1993.
1389 Rhodochrosite, Pyrite, Capillitas mining district, Andalgalá Department, Catamarca Province, Argentina
Pale pink section of a stalactite. Interesting that there is pyrite on the outer edges. Width 18.5mm. Stack of 130 images. Acquired from Roger Webb at the Salamanca Market, Hobart, in 1993.
1097 Barite, Cerro Warihuyn (Huarihuyn), Miraflores, Huamalies Province, Peru
Aesthetic yellow crystal cluster. Acquired at the 2013 Bendigo Show. Video best viewed full screen.
30090 Cassiterite, Viloco Mine (Araca Mine), Loayza Province, La Paz, Bolivia
Heavy specimen. Most of the matrix is cassiterite too. Video best viewed full screen.
30069 Paravauxite, Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosí, Bolivia
Ex Barry Johnson Collection. Type Locality.
20047 Calcite, Quartz, Pachapaqui mining district, Bolognesi Province, Áncash, Peru
White spiky balls of calcite on quartz. Fluorescent pink.
20046 Sphalerite, Casapalca Mine, Casapalca, Huarochiri Province, Lima, Peru
Single twinned crystal on matrix. Ex Brian Shelton Collection. Video best viewed full screen.
20045 Realgar, Orpiment, Quartz, Pyrite, Palomo Mine, Castrovirreyna Province, Huancavelica, Peru
Red realgar crystal altering to yellow orpiment on a nest of quartz crystals with a dusting of pyrite.
20042 Alabandite, Uchucchacua Mine, Oyon Province, Lima, Peru
Sharp octahedral grey crystals of alabandite in a matrix of fluorite and calcite, both of which fluoresce (blue and pink respectively).
7420 JL1857 Kröhnkite, Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile
Type Locality. Acquired by Joan Lamond in 1996 from Jack Leach for $3.00. Ex Jack Nelson Collection. Width of view 11mm. Stack of 14 images.
ncat JP3133 Eosphorite, Roscherite, Taquaral, Itinga, Minas Gerais, Brazil
Ex Jack Nelson Collection
ncat JP3132 Beryl var Emerald, Chivor Mine, Mun. de Chivor, Guavio-Guateque mining district, Boyaca Department, Colombia
Trapiche. Ex Jack Nelson Collection
5576 Florencite-(Ce), Microcline, Papachacra Pegmatites, Papachacra, Belen Department, Catamarca, Argentina
Orange-red crystals on cream feldspar crystal, Peter Hall
4679 Aquamarine, Padre Paraiso, Minas Gerais, Brazil
Mint-green etched “bullet” crystal, Hobart Show 2017
30038 Coquimbite, Copiapite, Alunogen, Javier Mine, Lucanas Province, Ayacucho Department, Peru
Superb lilac hexagonal crystals of coquimbite to 9mm long. Micro yellow copiapite and colourless alunogen. From a find in 2009.
20005 Hematite, Ascension Island, Saint Helena (an island in the Southern Atlantic ocean, administered by the United Kingdom)
Group of hematite crystals. 33x28x21mm. Ex Eugene Carmichael (3002). Ex George English (North Carolina label). Number on label matches specimen.
10004 Beryl, Urucum mine (Tim mine; Corrego do Urucum pegmatite), Galileia, Doce valley, Minas Gerais, Brazil
Highly etched morganite crystal with superb lustre creating many reflective facets dispersing the light in all directions. Slightly pinkish under artificial light but colourless, maybe even tinged with blue under daylight.
20017 Gold, Stannite, Quartz, Oruro City, Cercado Province, Oruro Department, Bolivia
Many patches of gold in crystaline quartz with a few stannite crystals.
20018 Gold, Ferberite, Julcani District, Angaraes Province, Huancavelica Department, Peru
Small amount of gold with wolframite.
4608 Childrenite, Linapolis, Divino das Laranjeiras, Doce valley, Minas Gerais, Brazil
Single orange crystal, no matrix. Ex Dave Shannon.
4078 Ushkovite, Boa Vista Mine, Galileia, Minas Gerais, Brazil
Jim Ferraiolo 6/2005
4050 Jahnsite-(CaMnFe), Sapucaia Mine, Galileia, Minas Gerais, Brazil
Jim Ferraiolo 6/2005
4041 Cuprocopiapite, Sierro Gordo, Antofagasta Province, Chile
Jim Ferraiolo 6/2005
4044 Faheyite, Sapucaia Mine, Galileia, Minas Gerais, Brazil
Jim Ferraiolo 6/2005
4014 Penfieldite, Boleite, Margarite Mine, Sierra Gorda, Chile
Robert Kurcbart 4/2005
2875 Matioliite, Gentil claim, Mendes Pimentel, Doce valley, Minas Gerais, Brazil
Type Locality. Tiny pale blue patch.
2848 Gold, Chrysocolla, Manto Tres Gracias Mine, Diego de Almagro, El Salado, Chanaral Province, Atacama Region, Chile
Two pieces. Bright gold on deep blue chrysocolla.
2796 Iodargyrite, Capitana Mine, Copiapo Province, Atacama Region, Chile
Colourless crystals.
2791 Tetrahedrite, Bournonite, Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, La Libertad, Peru
Tetrahedrite and bournonite crystals on a matrix of sphalerite, pyrite and chalcopyrite.
2774 Caledonite, Quartz, Dos Adriana Mine, Zapallar district, Copiap¢ Province, Atacama Region, Chile
Typical blue crystals with cerussite(?) on quartz.
2775 Perroudite, Capitana Mine, Copiapo Province, Atacama Region, Chile
Red acicular crystals.
2758 Haiweeite, Los Azules mine, Quebrada San Miguel, Copiap¢ Province, Atacama Region, Chile
Simply labelled Azul Mine. Yellow puffballs and acicular groups.
2754 Dioptase, Fluorapatite, Miraflores Mine, Tierra Amarilla, Copiapo Province, Atacama Region, Chile
Green sprays of dioptase with white apatite. This mine not mentioned in this district in Mindat (Jan 2015).
6041 Mimetite (Bellite), Diaboleite, Schwartzembergite, Gypsum, La Poderosa Mine, Caracoles, Antofagasta Region, Chile
Orange prismatic bellite, blue diaboleite, yellow schwartzembergite
6039 Antlerite, Gypsum, Chuquicamata Mine, Calama, Antofagasta Region, Chile
Dark green crystals of antlerite with colourless gypsum crystals. Ex Brian Shelton Collection (No. A30-2), ex John Batterbee Collection. From Bench C-2.
6030 Carlosbarbosaite, Jaguaracu pegmatite, Jaguaracu, Minas Gerais, Brazil
Fibrous pale yellow crystals of a uranium mineral (approved Nov 2010) the type and only locality. The formula is (Ca0.5?0.5)(UO2)2(NbSi)O6(OH)2?2H2O. The discovery was very limited, about 100 specimens, all micros.
6031 Studtite, Phosphuranylite, Saleeite, Almerindo mine, Linapolis, Divino das Laranjeiras, Doce valley, Minas Gerais, Brazil
Pale yellow fibres of studtite on matrix with bright yellow crusts made up of a mixture of phosphuranylite and saleeite. Studtite is a very unusual uranium species because it is the only known mineral that...
6027 Gratonite, Excelsior Mine, Cerro de Pasco, Peru
Vintage micromount: A superb 4x3mm display face specimen of Gratonite from its type locality, Cerro do Pasco, Peru. It was once a duplicate in the collection (later bequeathed the Smithsonian) of the late Neal Yedlin....
6023 Elbaite, Minas Gerais, Brazil
Dark pink crystal (rubellite). Ex Wright’s Rockshop. Chris Wright has since passed.
6016 Hureaulite, Cigana claim (Jocao claim), Conselheiro Pena, Doce valley, Minas Gerais, Brazil
Pink crystals. Ex Hawthorneden thumbnail
6011 Rruffite, Jote Mine, Pampa Larga district, Tierra Amarilla, Copiapo Province, Atacama Region, Chile
Type locality. Sky blue crystals
6001 Pertlikite, Krausite, Coquimbite, Alcaparrosa Mine, Cerritos Bayos, Calama, Chile
Described as pertlikite-(Zn) as yellow cubes. Krausite as colourless or white prismatic crystals. Coquimbite as lilac crystals and matrix.
5294 Hematite, Payun volcano, Altiplano de Payun Matru, Mendoza, Argentina (pseudo after magnetite)
Purchased at my first Tucson show for $4.00.
1229 Vauxite, Paravauxite, Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province (Bustillos Province), Potosi Department, Bolivia
Type Locality for both species. Light blue vauxite and aqua green paravauxite. Ex Trevor Boyd Collection.
1065 Beryl (Aquamarine), Mendes Pimentel, Doce valley, Minas Gerais, Brazil
Single pale greenish rounded thumbnail crystal. Acquired from Cyril Kovac at the 2013 Waverley Show.
0979 Emerald, Muzo Mine, Mun. de Muzo, Vasquez-Yacopi Mining District, Boyaca Department, Colombia
Trapiche emerald Type 2 star ~3mm across
0535 Chenevixite, Chuquicamata Mine, Chuquicamata District, Calama, Chile
Listed as simply from Chile, but likely the famous Chuquicamata Mine. Rich with yellowish green chrystline material. Also has a few specks of dark green crystals.
0482 Quartz, Barite, Palomo Mine, Castrovirreyna Province, Huancavelica Department, Peru
A quartz pseudomorph after barite. Purchased at the 2013 Ballarat Gem Show.
0428 Molybdofornacite, Wulfenite, Chrysocolla, Dulcinea de Llampos Mine, Cachiyuyo de Llampos district, Copiapo Province, Atacama Region, Chile
Three 5mm specimens, mounted side by side, with tiny yellow-green molybdofornacite crystals, orange-yellow wulfenite crystals and chrysocolla. The molybdofornacite from Dulcinea has been identified with semiquantitative and quantitative analysis by Dr. Jochen Schlater (curator of...
0351 Rodalquilarite, Poughite, Wendy open pit, Tambo Mine, El Indio deposit, Elqui Province, Coquimbo Region, Chile
Green crystals of rodalquilarite, partly encrusted with and embedded in crystalline yellow poughite
0345 Fluorapatite, Sapo mine, Ferruginha, Conselheiro Pena, Doce valley, Minas Gerais, Brazil
Small dark green crystals
0328 Stanleyite, Minasragrite, Patronite, Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru
Capsule with small brown fragment composed of a blue stanleyite on gray mixture of minasragrite and patronite. Type locality for all three species.
0155 Platinum, Antioquia, Brazil
Multiple small nuggets on small (5mm) disk on balsa pedastal. Ex Delbert L. Oswald. Ex Carnegie Museum #12324. Note that Antioquia is in Colombia, nowhere near Brazil, and with no record of platinum.
0153 Platinum, Antioquia, Brazil
Multiple small nuggets on small (5mm) disk on balsa pedastal. Ex Delbert L. Oswald. Ex Carnegie Museum #12324. Note that Antioquia is in Colombia, nowhere near Brazil, and with no record of platinum.
2959 Dioptase, Malpaso Quarry, Cordoba, Argentina
Green dioptase crystals from the Malpaso Quarry (Esperanza Quarry), Dumesnil, Colón Department, Córdoba, Argentina.
6079 Edingtonite, Natrolite, Jacupiranga mine, Cajati, São Paulo, Brazil
Colourless edingtonite with white natrolite from the Jacupiranga mine, Cajati, São Paulo, Brazil.