“The tarnish makes these easier to photograph but also makes them appear opaque, when in fact they are a lovely translucent red. Several groups found associated with copper. G Curtis, Basset. 2018. ”

“The tarnish makes these easier to photograph but also makes them appear opaque, when in fact they are a lovely translucent red. Several groups found associated with copper. G Curtis, Basset. 2018. ”