Mineral Specimen and Product Inventory Search
- Availability
- Available
- Price
- $95.00
- Locality
- Mt. Ear, Seward peninsula, Alaska, United States
- Formula
- CaSn4+[BO3]2
- Size
- 2.5 x 1.3 x 1.2 cm - Thumbnail
- Tagged
- tin
- Special Info
- Fluorescent
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
Nordenskioeldine is a rare tin borate found in alkalic pegmatites and metasomatized carbonate sedimentary rocks. On this specimen are thin platy, colorless to faint yellow grains to 1mm nestled between and in the center of radial groups of muscovite. It exhibits a nicely fluorescent bright yellow color. The black matrix is cassiterite. It is sawed on two sides for EDS work. It is verified by Dr. Igor Pekov.
- Availability
- Available
- Price
- $185.00
- Locality
- Oploca mine, Pirquitas, Rinconada Dept., Jujuy, Argentina
- Formula
- PbSnS3
- Size
- 4 x 3.5 x 3 cm - Miniature
- Tagged
- sulfide, tin
- Special Info
- Type & Only Locality
Acicular silvery needles in a single spray to 5.5mm across. Suredaite is a very rare, having been found only this locality. It is a tin sulfide with lead. Ex. Werner Paar.
