7262 JL3035 Siderite, Heulandite, Mount Tarrengower, Maldon, Victoria
Spherical brown siderite on heulandite. Width of view 3.5mm. Stack of 28 images. Click on the image below for a higher resolution version.
Siderite
ncat AU002 Galena, Quartz, Siderite, Great South Comet mine, Dundas mineral field, Zeehan mining district, West Coast municipality, Tasmania
A group of cube-octahedral galena crystals with hoppered faces. Width of view 8mm. Stack of 45 images. Click on the image below for a higher resolution version.
7362 JL3815 Opal, Goethite, Siderite, Manyana Beach, Bendalong, St Vincent Co., New South Wales
Tiny sprays of goethite on an opal lining of a vesicle. Siderite crystals in another vesicle. Ex Joan Lamond Collection. Acquired by Joan in 2002 from Ann and Noel Kennon. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
0053 Fluorite, Pyrite, Siderite, Renison Bell Mine, North Dundas, Zeehan district, West Coast municipality, Tasmania
Colourless fluorite cubes that fluoresce blue under longwave ultraviolet, partially coated with siderite. Tiny pyrite crystals also present. Width of view 11.5mm. Click on the images below for a higher resolution version.
ncat JP373 Fluorite, Pyromorphite, Siderite, Daydream Mine (Meech’s Blow), Yancowinna Co., New South Wales
Colourless cubes with a white core of fluorite crystals that glow green under shortwave ultraviolet light. Judging by the colour, it is likely that the fluorescence is due to uranyl ions. A small amount of green pyromorphite, and brown oxidised siderite also present. Ex Jo Price Collection. Width of view...
1382 Cassiterite, Luinaite, Quartz, Siderite, Actinolite, Fluorite, Mt Cleveland Mine, Luina, Tasmania
Lustrous cassiterite crystals and luinaite on and in quartz. Tiny rosettes of tan siderite on the cassiterite. Ex Mark Hallam Collection. Width of view 11.5mm. Stack of 110 images. Click on the image below for a higher resolution version.
5807 A2983 672marps Fluorite, Siderite, Pyrite, K Feldspar, Albite, Granite Mountain Quarry #1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
Octahedral fluorite colourless through to a fracture, then pale purple-grey over the rest of the crystal. Blue fluorescence. Hemisphere of brown siderite(?), rounded pyrite, and colourless albite, all on pinkish-tan K feldspar. Ex Art Smith Collection. Acquired by Art from Al Kidwell in 1990. Width of view 11.5mm. Stack of...
ncat ANK MSH147 Calcioburbankite, Petersenite-(Ce), Siderite, Hilairite(?), Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
As with many MSH specimens, you don’t always know what you’ve got! White to tan calcioburbankite on hexagonal prismatic petersenite-(Ce). Many of the brown crystals, the lighter ones, are siderite, but some, the darker brown ones, fluoresce orange, maybe hilairite? There are tiny thin plates of an unidentified mineral that...
3016 Dickite, Quartz, Siderite, Mt Cleveland Mine, Luina, Tasmania
White dickite (analysed) with tan siderite and colourless quartz. Specimen is 56mm wide. Click on the image below for a higher resolution version.
5359 Siderite, Chabazite-Na, Pioneer Quarry, Narre Warren, Victoria
Basket Weave siderite with pseudocubic chabazite crystals. Ex Joan Lamond Collection. Collected by Joan in 1982. Width of view 10.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
4025 Siderite, Calcite, Hematite, South Pit, Savage River Mine, Tasmania
Collected 5/2005. A single calcite crystal on lustrous siderite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
3876 Hematite, Siderite, Lake Cooper Quarry, Corop, Victoria
Unusual rhombohedral hematite showing some rainbow colouration, with orange-brown siderite. Width of view 3.5mm. Stack of 35 images. Click on the image below for a higher resolution version.