4040 Crocoite, Congonhas, Minas Gerais, Brazil
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.
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.
Green uvite with minor svanbergite. Width of specimen 95mm.
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...
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.
Ex Jack Nelson Collection
Mint-green etched “bullet” crystal, Hobart Show 2017
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.
Single orange crystal, no matrix. Ex Dave Shannon.
Jim Ferraiolo 6/2005
Jim Ferraiolo 6/2005
Jim Ferraiolo 6/2005
Type Locality. Tiny pale blue patch.
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...
Dark pink crystal (rubellite). Ex Wright’s Rockshop. Chris Wright has since passed.
Pink crystals. Ex Hawthorneden thumbnail
Single pale greenish rounded thumbnail crystal. Acquired from Cyril Kovac at the 2013 Waverley Show.
Small dark green crystals
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.
Colourless edingtonite with white natrolite from the Jacupiranga mine, Cajati, São Paulo, Brazil.