Carmelite Order

Photo of three hexagrams around a Carmelite Cross on a crest at Albox parish church, Almeria province, Spain, is courtesy of evissa who published it on Flickr. 

On a web page about THE CARMEL EMBLEM I saw a pentagram not a hexagram and the caption tells us that this is the star of Mary, but

Some think that the central star was originally thought of as an opening, not a star, which represented the cave in which Elijah sheltered when the Lord appeared to him as the still small wind.