You can shoot elephants behind the forelegs with an AK47 (7,65x39), also the .303 is used by poachers. But that is not ethical hunting. You can shoot like Bell with the 7x57, 173 gr at 2350 f/s if you are experienced like Bell to find the right spot for a side brain shot just in front of the earhole.
Green has been proven to be pleasing to human senses being associated with calmness, wealth, generosity, good luck and fertility. It is also the colour of peace. It is worth noting that the colour yellow biologically makes people feel more optimistic and energetic as it stimulates the release of the feel-good chemical seratonin.
Apple green chalcedony that derives its color from nickel is chrysoprase. Ranging from nearly opaque to nearly transparent, its color spectrum includes olivey, to nearly pure greens of medium tone. Very fine, highly saturated pieces have been successfully misrepresented as Imperial jade. Most chrysoprase sold today comes from Australia.