Complex sentence: LDS scholars note that Chase's statements represents second or third-hand accounts, that he was just as involved in treasure seeking as Joseph Smith was claimed to be, and for this reason envied the seer stone once he became aware of its purported abilities.
Split into simpler sentences: LDS scholars note that Chase's statements represent second or third-hand accounts. They also note that Chase was just as involved in treasure seeking as Joseph Smith was claimed to be, and for this reason envied the seer stone once he became aware of its purported abilities.