Quartz and rutile - Diamantina, Minas Gerais, Brazil
Translucent quartz point associated with copper-colored rutile...
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Translucent quartz point associated with copper-colored rutile...
Numerous well-formed, bright anatases, without shock, on...
Amethyst with hematoid nuances and a beautiful brilliance,...
Botryoidal quartz, commonly called "agate grappe", bicoloured...
Botryoidal quartz, commonly called "cluster chalcedony"...
Piece composed of violet fluorite associated with small pyrite...
Fluorite with an attractive purple border. Uncommon facies for...
Curved pyrite octahedrons of fine quality and brilliance on...
A turquoise-blue chrysocolla plate that has pseudomorphosed a...
Several colorless centimetric calcites of fine quality and...
Bright beige/green petal siderite plate in good condition. The...
Granite slab sprinkled with small crystals of colorless to...
Blue fluorite covered with small bright quartz, some...
Botryoidal quartz, commonly called "cluster chalcedony", has a...
Plate composed of hyaline quartz and galena crystals with a...
Natrodufrenite sphere. This deposit, discovered by the Moisan...
Green fibroradial Natrodufrénite measuring up to 8 mm in...
Well-formed, bright orange barite crystals on matrix. 12 x 9,7...
Small calcite scalenohedrons on siderite and very bright...
Pseudo-cubic and shiny green apophyllite on basaltic...
Set of very bright and large apophyllite crystals associated...
Beautiful green pyromorphite microcrystals on gangue.10.7 x...
Honey-colored translucent spearhead crystallized gypsum. 15,5...
Floating translucent gypsum crystal from the Gard region. 10...
Rectangular landscape stone from China, in the manner of...
Nice-sized slab of gray/brown calcite crystals with...
A multitude of small bright red crocodile crystals with...
Numerous microcrystals of green pyromorphite on sandstone...
An unusual piece for the Malines mine: on the front, the...
Plate composed of bournonite crystals in cogwheels and...