PLEASE HELP ME..I think my baby has colic..she won't stop crying.... :-(?

Please help my baby girl is 6 weeks old and won't stop crying...she's not constipated...very gasy..burps a lot..and just non stop crying..I feed her bathe her,rock her...gave her Gripe water...nothing seems to work...PLEASE HELP ME...I love my baby girl...but I'm getting exhausted....I'm a first time mother & have never experienced this.