Inventory Search for Mineral Specimens and Products

Phosinaite-(Ce)

#44147

Availability: Available
Price: $125.00
Reduced Price: $65.00

Locality: Kedykverpakhk Mt., Lovozero Massif, Kola Peninsula, Russia
Formula: Na₁₃Ca₂Ce(SiO₃)₄(PO₄)₄
Size: 3 x 2 x 1 cm - Thumbnail
Tagged: phosphate, REE mineral

2mm wide pinkish-brown tabular crystal. Phosinaite-(Ce), like most REE minerals, may also accomadate several other rare earth elements within its structure. Phosinaite-(Ce) may also contain La, Th, Nd, or Pr. This specimen comes with a few grams of powdered cerium oxide.

Phosinaite-(Ce) at Dakota Matrix Phosinaite-(Ce) at WebMineral Phosinaite-(Ce) at MinDat

Pyrargyrite

#BN51696

SOLD

Availability: Sold

Locality: San Juan de Rayas mine, Guanajuato, Mexico
Formula: Ag₃SbS₃
Size: 1.7 x 1.4 x 0.7 cm - Thumbnail
Tagged: sulfide, silver

Excellent set of Pyrargyrite aka ruby silver crystals with good terminations. Some of the internal red reflections can be see. Exceptional thumbnail.

Pyrargyrite at Dakota Matrix Pyrargyrite at WebMineral Pyrargyrite at MinDat

Quartz var. eisenkiesel on Hematite

#52448

SOLD

Availability: Sold

Locality: Florence mine, Egremont, Cumbria, England
Formula: SiO₂
Size: 5 x 3 x 4 cm - Miniature

Red doubly terminated crystals of Quartz to 3mm on Hematite matrix.

Quartz at Dakota Matrix Quartz at WebMineral Quartz at MinDat

Roselite

#34428

Availability: Available
Price: $1,500.00
Reduced Price: $900.00
Notes: Discounts/Promos do NOT apply to this item

Locality: Bou Azzer dist., Anti-Atlas, Morocco
Formula: Ca₂Co(AsO₄)₂·2H₂O
Size: 5 x 8 x 5 cm - Sm Cabinet
Tagged: arsenate

Large curved, deep magenta-red Roselite crystals to 1cm covering the entire top of a piece of pale pink Dolomite matrix. This is an excellent piece with gorgeous crystals that displays perfectly without aid!

Roselite at Dakota Matrix Roselite at WebMineral Roselite at MinDat