YOU SAID:

i went to china and there i found a black quartz box full of diamonds and rubies

INTO JAPANESE

私は中国に行きました、そしてそこで私はダイヤモンドとルビーでいっぱいの黒い水晶箱を見つけました

BACK INTO ENGLISH

I went to China, where I found a black crystal box full of diamonds and rubies

INTO JAPANESE

私は中国に行きました、そこで私はダイヤモンドとルビーでいっぱいの黒い水晶箱を見つけました

BACK INTO ENGLISH

I went to China, where I found a black crystal box full of diamonds and rubies