2. It doesn't look like dyed from the picture, but the quality is average, mainly because it is too tender.
You can take photos and send pictures to help him have a general look. It is best to go to the local jewelry testing agency for identification and issue the certificate of Jade A..
4. texture; Distinguish between true and false jadeite can look at the texture and observe the interior of jadeite with a flashlight. The real jadeite is transparent, and the impurity cotton wool inside is clearly visible. The fake jadeite is turbid, the internal impurities are invisible and opaque.