Mineral I.D. - Help

[BurntBear]

I found several very gemmy yellow crystals while sifting through last weeks finds. This is a photo of one of the larger ones. Some are almost orange/yellow. Just stained quartz? I have a problem with yellow crystals, lol. Thanks for any help. I will try and post more photos.

 

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[Eu_citzen]

Just from a quick look - yes, stained quartz.