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- Availability
- Sold
- Locality
- Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia
- Formula
- Na3(SrNa)Ti3(Si2O7)2O2(OH)2
- Size
- Miniature 4.5x4x1.5cm
Long, bladed, orange-red divergent crystals to 2.5cm. There is a smaller spray as shown in the photos. Associated with Aegerine. The dark rusty red, larger grains are unidentified.
- Availability
- Sold
- Locality
- Levant mine, St. Just dist., Cornwall, England
- Formula
- Cu4SO4(OH)6·2H2O
- Size
- SmCabinet 6x3x5cm
- Tagged
- copper
Dark to light sky blue crusts. An older specimen with a Barstow label.
- Availability
- Sold
- Locality
- Curitiba, Paraná, Brazil
- Formula
- Nd2(CO3)3·8H2O
- Size
- Thumbnail 2.5x1.5x0.3cm
- Tagged
- carbonate , REE mineral
- Special Info
- Type Locality
An excellent if not superb small specimen loaded with brilliant pink crystals of this rare REM. Named for the lanthanum in the composition with the dominance of neodymium over the other rare earth elements. A rare mineral that occurs as a secondary mineral, typically formed by the alteration of weathering of rare earth element-bearing minerals.
- Availability
- Sold
- Locality
- Curitiba, Paraná, Brazil
- Formula
- La2(CO3)3·8H2O
- Size
- Chip xxcm
- Tagged
- carbonate , REE mineral
Small plate loaded with pink micro crystals.