I have had this geode since I was a wee boy it was purchased from the Canadian Museum of Nature by my Uncle as a present. I used Google Pixel 4a for the lighting on the crystal that has two minerals to it...I like the top portion the best and I hope you like it as well.
Proud supporter of our local Museum of Nature, Ottawa, Ontario, Canada.
Canon EOS M100 • EF-M28mm f/3.5 MACRO IS STM • ƒ/3.5 28.0 mm 1/250 500 Flash (off, did not fire)