Crystals in alga Spirogyra

carlos.uruguay · Post by **carlos.uruguay** » Sat Aug 13, 2016 7:22 am

Oblique polarized light with cellophane as retarder
Objectives 10X, 20X and 40X
Panasonic GH4 camera
Video link:
https://www.youtube.com/watch?v=K7a2EYTE9bI
Video frames preview:

Regards
carlos

fpelectronica · Post by **fpelectronica** » Sat Aug 13, 2016 10:31 am

Very nice

carlos.uruguay · Post by **carlos.uruguay** » Sat Aug 13, 2016 12:00 pm

Thanks Francisco
I think they are calcium oxalate crystals or aragonite

ralfwagner · Post by **ralfwagner** » Sat Aug 13, 2016 1:08 pm

Very impressive, especially the second one.

carlos.uruguay · Post by **carlos.uruguay** » Sat Aug 13, 2016 3:17 pm

Thanks Ralf!
They are frames of the video
I show them because they can give curious to watch the video

Sumguy01 · Post by **Sumguy01** » Sun Aug 14, 2016 8:37 am

Nice vid.
Thanks for sharing

carlos.uruguay · Post by **carlos.uruguay** » Sun Aug 14, 2016 8:58 am

Thanks!

Jacek · Post by **Jacek** » Mon Aug 15, 2016 11:27 am

Very nice

carlos.uruguay · Post by **carlos.uruguay** » Mon Aug 15, 2016 12:53 pm

Thanks Jacek

75RR · Post by **75RR** » Mon Aug 15, 2016 3:52 pm

Second image and the last part of the video that it came from are very interesting.

carlos.uruguay · Post by **carlos.uruguay** » Mon Aug 15, 2016 4:00 pm

Thank you!
In the first part of the video the interesting is the crystal highlighted by polarized light:

75RR · Post by **75RR** » Mon Aug 15, 2016 4:10 pm

Thank you for pointing that out. I had missed that.

carlos.uruguay · Post by **carlos.uruguay** » Mon Aug 15, 2016 4:21 pm

75RR wrote:Thank you for pointing that out. I had missed that.

They are very small, they are three