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- Availability
- Sold
- Locality
- Francon quarry, Montreal, Quebec, Canada
- Formula
- NaAlCO3(OH)2
- Size
- Miniature 4.5x4.5x5cm
- Tagged
- carbonate
- Special Info
- Type Locality
Exceptionally large, and well-formed prismatic crystals with terminations in groups to 5mm. The crystal size is more like 2-3mm. The long bladed, creamy brown crystals are Celestine. Impressive specimen by any collection standards.
- Availability
- Sold
- Locality
- Valle Beuedelte, near Linerus, Tuscany, Italy
- Formula
- NaAlCO3(OH)2
- Size
- SmCabinet 5.5x3.5x1cm
- Tagged
- carbonate
Striking snow-white radiating crystal groups to 5.5
- Availability
- Sold
- Locality
- Oued Sidi Bou Ali, Tenes, Algeria
- Formula
- NaAlCO3(OH)2
- Size
- SmCabinet 5.5x4x3cm
- Tagged
- carbonate
White radial flat-lying crystal groups of Dawsonite to 0.5mm across. Difficult locality to obtain.
- Availability
- Sold
- Locality
- Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia
- Formula
- Y4Cu(CO3)4Cl(OH)5·2H2O
- Size
- Miniature 4x4x2.5cm
- Tagged
- carbonate , copper , REE mineral
- Special Info
- Type Locality
Blue like a Robin's egg Decrespignyite-(Y) with excellent coverage. Very nice specimen.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia
- Formula
- Y4Cu(CO3)4Cl(OH)5·2H2O
- Size
- Miniature 3.5x1.5x0.6cm
- Tagged
- carbonate , copper , REE mineral
- Special Info
- Type Locality
Superb, rich specimen of Decrespignyite-(Y) with bright royal blue layers.
- Availability
- Sold
- Locality
- Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia
- Formula
- Y4Cu(CO3)4Cl(OH)5·2H2O
- Size
- Miniature 4.5x4x1.3cm
- Tagged
- carbonate , REE mineral
- Special Info
- Type & Only Locality
Superb specimen of rich pastel blue, spherulitic crystals of extremely rare Decrespignyite. This is the type and only locality for this mineral rich in rare earth elements. Good coverage on both sides.