The Cartilage in My Nose Tip is Visible, Like There's a Crack on My Nose?

While a picture would have been helpful, it appears that you are describing a cleft between prominent nasal tip cartilages. I have treated many patients for this by merely masking the cleft using a volumizing filler, such as Juvederm UltraPlus XC combined with a small amount of Radiesse. Both are natural, biodegradable materials. The procedure takes only a couple of minutes to perform and the results are immediate and uniformly quite gratifying. 

Hi

I assume youve never had a nose job.  It sounds like you have thin skin and strong cartilages.  The actor Owen Wilson is an extreme example of that.  Good rhinoplasty surgeons can help camouflage the tip of your nose by reshaping the cartilages and covering them with crushed cartilage, fascia or alloderm.