if the hardness is really close to 7, jasper. If it's noticeably lower (like around 5.5, similar to glass) it's argillite, which is what it looks like to me.
I would Believe It Is...Nephrite...One Of Two Types...Of...Jade!
Western Canada is the principal source of modern lapidary nephrite
I also believe the Golden Flecks within the Stone...Are Gold!
Coming from such a beautiful place in BC Canada...Called Goldstream.
"In 1863, rumours of gold in Goldstream drove a short, but intense, gold rush in the region. The remnants of the gold rush can be seen in the abandoned mine entrances located along the park's hiking trails".