Thursday, April 19, 2018

Unknown Grass



Unknown Grass, AKA Turkey Foot
This grass is Andropogan gerardii, Big bluestem.  It is a prairie grass introduced at Gorman since the

plains of Western Ohio extend to the edge of Gorman.

The inflorescence resembles a turkey foot.  You can see the actual blooms on this image and a closerlook reveals tiny bees pollenating them.

This is a plant for which I have learned not only its common name but is scientific name.




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Monday, April 16, 2018

Pyromorphite



Pyromorphite
Pyromorphite is a mineral with the formula, Pb5(PO4)3Cl.  It sometimes has enough lead in it to be mined for the lead ore.

This sample from Phoenix Mine, Phoenixville, PA displays the property of the crystals to form as a hexagonal prism terminated in the basal plane