Yellow material labelled as francevillite or carnotite, on davidite-(La). It is most likely carnotite but would need analysis to confirm. Width of view 11.5mm. Stack of 50 images. Click on the image below for a...
ncat JP875 Chabazite-Ca, Analcime, Biotite, Saponite, Csódi Hill, Dunabogdány, Szentendre, Pest Co., Hungary
Pink twinned rhombohedral chabazite with colourless analcime. Tiny green spots of saponite (towards the bottom left for example) and biotite phenocrysts (not in photo) also present. Some of the chabazites exhibit an unusual stack-like habit...
7344 JL3134 Beryl, Titanite, Biotite, Monazite, Magnetite, Tungkillo area, Palmer, South Mt Lofty Ranges (Adelaide Hills), Mt Lofty Ranges, South Australia
Acquired by Joan Lamond from Judy Rowe in 1998. Labelled as “Mannum”.
5690 Zircon, Biotite, Taratimi Bay (Crater Bay), Mayor Island (Tuhua), Bay of Plenty Region, North Island, New Zealand
Sharp and very thin crystals of biotite with white concertina zircon crystal (indicated by red arrow). Width 5.5mm. Stack of 100 images.
9118 JP2620 Pseudobrookite, Nepheline, Fluorapatite, Biotite, Rhonite, Nickenicher Sattel (Eicher Sattel), Nickenich, Andernach, Eifel, Rhineland-Palatinate, Germany
Sharp black prismatic pseudobrookite, colourless hexagonal nepheline, white fluorapatite, brownish biotite, single reddish rhonite. Width 2.77mm. Stack of 16 images. Ex Jo Price Collection.