Mineral Specimen and Product Inventory Search
- Availability
- Sold
- Locality
- Rock Hill mine, St. Austell dist., Cornwall, England
- Formula
- SnO2
- Size
- 5.5 x 4.5 x 2 cm - Sm Cabinet
- Tagged
- tin
At first glance, you might think this as another ugly mineral. But upon further examination under the scope you would see preety good brown, twined crystals of Cassiterite to 5mm! And it is from Cornwall, one of the greatest tin mining districts the worl has ever known.
- Availability
- Sold
- Locality
- Great Wheal Fortune, Breage, Cornwall, England
- Formula
- SnO2
- Size
- 7 x 5 x 3 cm - Sm Cabinet
- Tagged
- tin
Sharp, lustrous, deep brown Cassiterite crystals to 2mm in Quartz vein. Don't take these Cassiterites from Cornwall for granted. Worldwide, there are not that many great localities for good tin minerals like Cornwall.
- 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
- Sold
- Locality
- San Mart�n mine, Sombrerete, Zacatecas, Mexico Zacatecas, Mexico
- Formula
- Mn2+Sn4+(OH)6
- Size
- 9 x 7 x 3.5 cm - Sm Cabinet
- Tagged
- tin
Hundreds of tiny yellow crystals about 0.75mm sprinkle all over the cluster of Quatz crystals. It's actually a very nice specimen for just Quartz alone. Also a bit of colorless Fluorite to 2mm in association.
