hi all, took the other girl to the vet today, totaly clean bill of health, the vet and i went through every possiblitity, obviously a post is out of the question as i buried her, but my partner who buried her was smart enough to take some photos and take note of what she felt like, ie for impaction. the vet said you would def know if she was impacted as her belly would be quite hard, it wasn't it was as soft as normal. so like Chris1 said about hers, there was no reason, i am just waiting on a stool sample for the other one and then i am going to pull up every weed in their cage and take that in to the vet on her request, she seems to think the only thing it could be is posioing from either a bug or plant, she thinks that is the only thing that could kill as quickly as this did, with no signs or warnings. so now its just a waiting game, she had a nice big fruit and salad platter today so shouldn't be too long!
thanks again all for your help and words of kindness! it warms my heart to know others know what i mean about loving your animals, no matter if they are cute and cuddly ones like dogs or cats or our little reptiles!