Quartz on siderite

Dimensions: 5.8 x 4.6 x 4.8cm
Location: Mine in Giraud, La Gardette, Bourg d’oisans, Iséres, France
These quartz perfectly crystallized on siderite crystals offer a superb, very aesthetic contrast and quite rarely found in this new discovery. Perfect collector's item
 Dimensions without the acrylic base, which is supplied with the mineralogical specimen.
The mineral is not stuck to the base.