Rare Mineral Specimens - search page
- Availability
- Available
- Price
- $75.00
- Reduced Price
- $50.00
- Locality
- New Cornelia mine, Ajo dist., Pima Co., Arizona, United States
- Formula
- Na3Cu2+20Al3Si29O76(OH)16·8H2O
- Size
- 8 x 4.5 x 3.5 cm - Sm Cabinet
- Tagged
- copper
Very thin blue Ajoite crystals in a vug 1.5cm long. Besides Ajoite in the vug are lime-green crystals of Olivenite(?).
SOLD
- Availability
- Sold
- Locality
- Olden Township, Frontenac Co., Ontario, Canada
- Formula
- CaCeFe2+Al2(Si2O7)(SiO4)O(OH)
- Size
- 6.5 x 5.5 x 3.5 cm - Sm Cabinet
- Special Info
- Radioactive!!
Brown 3.8cm good crystal on matrix.
- Availability
- Available
- Price
- $18.00
- Locality
- Jefferson Co., Montana, United States
- Formula
- CaCeFe2+Al2(Si2O7)(SiO4)O(OH)
- Size
- Thumbnail
- Tagged
- REE mineral
Dull black bladed crystal.
- Availability
- Available
- Price
- $12.00
- Locality
- El Capitan Mts, Lincoln Co., New Mexico, United States
- Formula
- CaCeFe2+Al2(Si2O7)(SiO4)O(OH)
- Size
- Thumbnail
A sharp 2mm black, well-formed crystal.
- Availability
- Available
- Price
- $5.00
- Locality
- Juanita mine, Socorro Co., New Mexico, United States
- Formula
- Al2O3(SiO2)1.3-2.0·2.5-3.0H2O
- Size
- Thumbnail
Light blue Allophane with darker blue Azurite.
- Availability
- Available
- Price
- $40.00
- Locality
- Sapper Fumarole, El Palmar, Quetzaltenango, Guatemala
- Formula
- NaAl(SO4)2·12H2O
- Size
- 3.5 x 3.5 x 2.5 cm - Miniature
Spherules of white to colorless Alum-(Na) in a spongy, very light weight matrix. I have no idea what this matrix is.
