Butterfly pea flower is made from a decoction or infusion of the flower petals or even the whole flower of the Clitoria ternatea plant. It adds soothing color to the delicious cheesecake with a crunchy nut base. Blue lace agate was discovered in Namibia, originally in South West Africa. Small amounts have also been found in Brazil, China, India, and various places in the United States. Just like every other member of the agate family, blue lace agate is a variety of banded Chalcedony and a quartz mineral. It has bands of layers of blue, most of which vary in hues from very light to bright almost sapphire blue.