This lovely stone via reddit user Smartstocks. Comments say this is a type of Chalcedony, a type of quartz that is composed of only microcrystalline SiO2. The darker stuff is an immiscible material, so when it was cooling the SiO2 would not bond with it. This is usually on oxide mineral. It is a volcanic rock also.
"just this week you were crying about jasper" "she doesn't have any love and support!"