Dawsonite-Fluorite

Dawsonite-Fluorite

This sample is from Francon Quarry, Montreal, Quebec, Canada.  It is shown 4.55X with a FOV 4.67mm.

I saw a sample from the same mine on Mindat and to my uninitiated eye the straws are Dawsonite while the purple crystals are Fluorite.

Dawsonite-Fluorite

The straws look so delicate.

Fluorite in its purest forms us used to make fine photographic lens.  It is used to make hydrofluoric acid.  It is also used as a flux for smelting.  Wikipedia  

Dawsonite-Fluorite

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Coleus

Coleus Cranberry Salad

This from Kingwood Greenhouse in 2009.

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Holiday Cactus

Holiday Cactus

This from Kingwood Greenhouse in 2007.

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Poinsettia

Poinsettia

This from Kingwood Greenhouse, 2008.

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Poinsettia Again

Poinsettia

This from Kingwood Greenhouse in 2007.

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Kingwood Christmas

Kingwood Christmas

It gets dark early this time of year.  I went there to wait for the right time.  I am sure you all realize I used flash to show the snow.

It is the time of year when we feel love, peacefulness, gentleness, and warmth.  I wish all of you those things not only now but in the time to come.

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Mamyia 50mm

Mamyia 50mm

This is a late 70's era lens.  I bought it in 1979 during the summer.  It is a relatively fast lens, f/1.7.  It has a Mamyia mount on the other end and 49mm threads on this end.  I have reversing ring which mounts on the these threads and onto the 58mm threads on my 105mm.  FYI, a reversing ring has male threads on both ends.

Mamyia 50mm

The tape is there to keep the rings from rotating during handling.  The aperature is set on f/1.7 and focus is set on infinity.  

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