|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Bournonite|
|Locality:||(St. Endellion), Cornwall, England (Type Locality for Bournonite)|
|Description:||Classic specimen of cogwheel-habit iridescent metallic bournonite crystals on colorless quartz microcrystalline casts after calcite. The bournonite cogwheel form is due to cyclic twinning in a single plane. Ex. Harold D. Miller (1838-1919 or 1920) collection, bequeathed to the Wadsworth Atheneum in 1909; ex. Loomis-Chaffee School|
|Overall Size:||7x5x3.5 cm|
|Status:||Sold - Posted here for reference only|
|Buy similar:||Minerals from UK, Iceland, Greenland > Bournonite Crystals|
© AllMinerals/JohnBetts-FineMinerals All Rights Reserved
The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property.