| Description |
|---|
|
| Comments: | The hellandite-(Y) occurs on a single specimen from the Franklin mine. Remarkably, the species occurs as a secondary mineral, not a primary pegmatitic mineral as is usually the case. It occurs on another, earlier secondary mineral (rhodochrosite). |
| Quality of samples: | not specified / average specimens |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| References |
|---|
|
| References: | John Cianciulli, Curator, Franklin Min. Museum; analysis by Andy Roberts (pending publication in The Picking Table). |
| Data |
|---|
|
| Mineral Data: | Click here to view Hellandite-(Y) data |
| Locality Data: | Click here to view Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA |
Mineral and Locality Search
