I look at this one as a refresher a lot, it’s a good list! Probably easier if you know what they actually look like off the top of your head but still, the fact that they’re organised by colour is good
http://gemsonaresources.tumblr.com/post/141001051465/
http://www.mindat.org is another one I find good for looking at detailed information like composition, varieties, associated minerals, origin etc
Sorry it’s not much but I hope it helps!!
Other suggestions from users –
http://www.healing-crystals-for-you.com
http://hematitehearts.tumblr.com