|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Polydymite in Calcite
|Polydymite in Calcite
|Gray's Quarry, Hamilton, Hancock County, Illinois
|Twisted and curved dark hair-like polydymite crystals to 5 mm in transparent calcite cleavage. Many polydymite crystals are visible when viewed under magnification and illuminated from the rear.
|For reference only
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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.