VERY LARGE BASTNASITE CRYSTALS IN CARBONATITE - MOUNTAIN PASS, CALIFORNIA - RARE
Item History & Price
| Reference Number: Avaluer:4335984 |
For your consideration is this large slab of very high-grade rare earth element ore featuring tan prismatic crystals of Bastnasite-(Ce) to 7 cm. in altered carbonatite matrix from the Birthday Claim, Mountain Pass Deposit, San Bernardino County, California USA. This is quite rare material collected in the 70's by the former head geologist for Molycorp, the mine owner/operator. A great example of high-grade REE ore from the most important US deposit of these critical elements.
...Specimen Dimensions: 16.5 x 9.5 x 1.4 cm. Weight: 130 grams
...Specimen Dimensions: 16.5 x 9.5 x 1.4 cm. Weight: 130 grams
