Wulfenite with two different habits on either side of the specimen. On one side, thin tabular crystals and on the other, blocky tapering prismatic double-terminated crystals. Collected by Jack and Marty Crawford in 2005. Width...
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...
Two crude joined crystals, no matrix. Ex Jim Ferraiolo 6/2005. Specimen is 6mm tall. Stack of 29 images. Click on the image below for a higher resolution version.
“Alien-Shape” meteorite. Longest dimension 9mm. Estimated to have fallen 4,000 to 6,000 years ago. Composition is metallic nickel-iron and a few sulphides, carbides, and phosphides (normal for iron meteorites), and it also contains silicate inclusions....
Labelled simply “Plateau Mining Co., Ecuador”, this specimen came from a collection acquired by Richard Bell. Obviously, Plateau Mining Co. isn’t a locality, but a company, so the starting point is simply Ecuador. After a...
Labelled simply as andorite. Donnay and Donnay (1954) stated that nearly all andorite specimens from Oruro are syntaxic intergrowths of two species that they named andorite IV and andorite VI. These have now been redefined...
Green uvite with minor svanbergite. Width of specimen 95mm.
A fairly large (for me) amethyst specimen with a couple of yellowish calcite crystals from Artigas, Uruguay. The specimen measures about 185mm wide.
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.
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.
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.
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.
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...
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...
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.
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.
Type Locality. Tiny pale blue crystals. Width of view 5mm. Stack of 61 images. Click on the image below for a higher resolution version.
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...
Type Locality. Ex Joan Lamond Collection.
Type Locality. Ex Joan Lamond Collection.
Two twinned bournonite crystals on matrix. Largest crystal 33x21x5mm.
Pale pink crystals. Width 18.5mm. Stack of 160 images. Acquired from Ian Graham in 1993.
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.
Aesthetic yellow crystal cluster. Acquired at the 2013 Bendigo Show. Video best viewed full screen.
Heavy specimen. Most of the matrix is cassiterite too. Video best viewed full screen.
Ex Barry Johnson Collection. Type Locality.
White spiky balls of calcite on quartz. Fluorescent pink.
Single twinned crystal on matrix. Ex Brian Shelton Collection. Video best viewed full screen.
Red realgar crystal altering to yellow orpiment on a nest of quartz crystals with a dusting of pyrite.
Sharp octahedral grey crystals of alabandite in a matrix of fluorite and calcite, both of which fluoresce (blue and pink respectively).
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.
Ex Jack Nelson Collection
Trapiche. Ex Jack Nelson Collection
Orange-red crystals on cream feldspar crystal, Peter Hall
Mint-green etched “bullet” crystal, Hobart Show 2017
Superb lilac hexagonal crystals of coquimbite to 9mm long. Micro yellow copiapite and colourless alunogen. From a find in 2009.
Group of hematite crystals. 33x28x21mm. Ex Eugene Carmichael (3002). Ex George English (North Carolina label). Number on label matches specimen.
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.
Many patches of gold in crystaline quartz with a few stannite crystals.
Small amount of gold with wolframite.
Single orange crystal, no matrix. Ex Dave Shannon.
Jim Ferraiolo 6/2005
Jim Ferraiolo 6/2005
Jim Ferraiolo 6/2005
Jim Ferraiolo 6/2005
Robert Kurcbart 4/2005
Type Locality. Tiny pale blue patch.
Two pieces. Bright gold on deep blue chrysocolla.
Colourless crystals.
Tetrahedrite and bournonite crystals on a matrix of sphalerite, pyrite and chalcopyrite.
Typical blue crystals with cerussite(?) on quartz.
Red acicular crystals.
Simply labelled Azul Mine. Yellow puffballs and acicular groups.
Green sprays of dioptase with white apatite. This mine not mentioned in this district in Mindat (Jan 2015).
Orange prismatic bellite, blue diaboleite, yellow schwartzembergite
Dark green crystals of antlerite with colourless gypsum crystals. Ex Brian Shelton Collection (No. A30-2), ex John Batterbee Collection. From Bench C-2.
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.
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...
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....
Dark pink crystal (rubellite). Ex Wright’s Rockshop. Chris Wright has since passed.
Pink crystals. Ex Hawthorneden thumbnail
Type locality. Sky blue crystals
Described as pertlikite-(Zn) as yellow cubes. Krausite as colourless or white prismatic crystals. Coquimbite as lilac crystals and matrix.
Purchased at my first Tucson show for $4.00.
Kerry Banks Collection
Type Locality for both species. Light blue vauxite and aqua green paravauxite. Ex Trevor Boyd Collection.
Single pale greenish rounded thumbnail crystal. Acquired from Cyril Kovac at the 2013 Waverley Show.
Trapiche emerald Type 2 star ~3mm across
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.
A quartz pseudomorph after barite. Purchased at the 2013 Ballarat Gem Show.
Green crystals of rodalquilarite, partly encrusted with and embedded in crystalline yellow poughite
Small dark green crystals
Capsule with small brown fragment composed of a blue stanleyite on gray mixture of minasragrite and patronite. Type locality for all three species.
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.
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.
Green dioptase crystals from the Malpaso Quarry (Esperanza Quarry), Dumesnil, Colón Department, Córdoba, Argentina.
Colourless edingtonite with white natrolite from the Jacupiranga mine, Cajati, São Paulo, Brazil.
