|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Biotite|
|Locality:||Holmesburg Granite Quarry, Philadelphia, formerly Holmesburg, Pennsylvania|
|Description:||Shiny crystals of black biotite mica collected ca. 1920 from an old granite quarry in Holmesburg, now part of Philadelphia. Ex. A. Lincoln Sherk II, MD. (1896-1970)|
|Overall Size:||6x4x1.5 cm|
|Status:||Sold - Posted here for reference only|
|Buy similar:||Minerals from Mid-Atlantic, USA > Mica & other Silicates|
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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.