Yellow Crystal

[PennyAtaTime]

Found this Yellow crystal rock on pensecola beach. Any ideas what it is?? About dime sized.
Any help would be appreciated.



[attachment 325798 YellowCrystal.JPG]

 

[Larry (IL)]

I can't tell what it is from a picture but the most common of yellow minerals is Citrine, yellow quartz.

 

[Dave J.]

To me the crystal form looks more like calcite than quartz. However the uniformity of color and the transparency seem a little too good for iron colored calcite.

There's almost no quartz in Florida but calcite is not uncommon.

I wonder if the rock is an erratic, washed up from a shipwreck, dropped by a beachgoer, or ??? If the rock seems unusually heavy for its size it is neither quartz nor calcite.

You can probably get a definitive answer by taking it to a rockhounding club meeting. If it's not an erratic, local folks will recognize what it is. If it is an erratic, it'll provoke interest and one or more club smartypants will rise to the challenge and get it figured out.

 

[PennyAtaTime]

To me the crystal form looks more like calcite than quartz. However the uniformity of color and the transparency seem a little too good for iron colored calcite.

There's almost no quartz in Florida but calcite is not uncommon.

I wonder if the rock is an erratic, washed up from a shipwreck, dropped by a beachgoer, or ??? If the rock seems unusually heavy for its size it is neither quartz nor calcite.

You can probably get a definitive answer by taking it to a rockhounding club meeting. If it's not an erratic, local folks will recognize what it is. If it is an erratic, it'll provoke interest and one or more club smartypants will rise to the challenge and get it figured out.

Looking at Google pics I believe it is calcite. It was found in the "Shell Line" so I'm guessing it was washed ashore. Seems to be fairly light for its size.

Thanks Dave J