Collectible Mineral Specimens Under $50
SOLD
- Availability
- Sold
- Locality
- Riviéral, Lodève, Hérault, Occitanie, France
- Formula
- K(UO2)AsO4·3H2O
- Size
- 2.5 x 1.5 x 1 cm - Thumbnail
- Tagged
- arsenate
Greenish yellow platy crystals rimmed with Heinrichite.
- Availability
- Available
- Price
- $35.00
- Locality
- Kipawa alkaline complex, Quebec, Canada
- Formula
- NaCa2Si4O10F
- Size
- 6 x 5.5 x 2 cm - Sm Cabinet
- Special Info
- Fluorescent
Platy white crystalline mass.
SOLD
- Availability
- Sold
- Locality
- Conselheiro Pena, Minas Gerais, Brazil
- Formula
- NaAlSi3O8
- Size
- 9 x 5.5 x 4.5 cm - Sm Cabinet
- Tagged
- pegmatite mineral
This is just a nice specimen with good pegmatite characteristics. The big white groups (2cm) are groups of Albite crystals. Muscovite occurs as thick hexagonal plates to 2cm across.
SOLD
- Availability
- Sold
- Locality
- Mohawk mine, Keweenaw Co., Michigan, United States
- Formula
- Cu1-xAsx; x = 1/7
- Size
- 5.5 x 3.5 x 2 cm - Sm Cabinet
- Tagged
- copper
Brassy metallic Algodonite veining on front and back. Some parts are tarnished black.
SOLD
- Availability
- Sold
- Locality
- Mina Tiro Estrella, El Capitan Mts, Lincoln Co., New Mexico, United States
- Formula
- CaCeFe2+Al2(Si2O7)(SiO4)O(OH)
- Size
- 6 x 4 x 3.5 cm - Sm Cabinet
Black tabular crystals with Quartz. The main, best crystal is 2mm.
SOLD
- Availability
- Sold
- Locality
- Tip Top Tunnel, Socorro Co., New Mexico, United States
- Formula
- Al2O3(SiO2)1.3-2.0·2.5-3.0H2O
- Size
- 6 x 3.5 x 3 cm - Sm Cabinet
Bright blue crystalline, bubbly or botryoidal masses throughout matrix. Ex. New Mexico School of Mines.
