Indigo Gabbro also known as mystic merlinite 
𝐂𝐡𝐚𝐫𝐤𝐫𝐚𝐬: 𝘈𝘭𝘭
𝐙𝐨𝐝𝐢𝐚𝐜𝐬: Gemini, Libra, Scorpio, Pisces
𝐀𝐬𝐬𝐨𝐜𝐢𝐚𝐭𝐢𝐨𝐧: Neptune, Pluto, sun, moon, fire and earth
𝐔𝐬𝐞𝐬: Emotional healing • anger • stress • alignments of chakras • past lives 
They say that indigo gabbro helps us unlock our consciousness so that we may focus on the things that are meaningful.