The picture is a little dark, so I can't really tell exactly where the spots are that you're talking about. Also, it looks like you might have a female, I don't see spurs..
I would recommend getting calcium without D-3, too much D-3 is harmful. You could also try an "all in one supplement" such as Repashy's Calcium Plus..
https://www.chameleonforums.com/how-much-d3-too-much-why-46007/
A few tips..
You should be feeding your crickets more.. You can buy gutload for them, I use Repashy's "Bug Burger" and offer different fruits and vegetables based on what I have bought for my boyfriend and I every week.
Also, are you referring to calcium with D-3 above? Calcium without D-3...