Thulite is the pink variety of the Zoisite mineral group. It's a manganese, calcium, aluminium hydroxy sorosilicate, with colors ranging from pale pink to deep rose. ... Thulite is the national stone of Norway, and it comes mostly from the Leksvik. A pink/red stone of the heart, offering the message that true strength is found within vulnerability. Lighter shades communicate the softness & gentleness of love. Darker shades, with more red suggest the strength & power of love in action & manifestation. It is believed to enhance concentration & influence the central nervous system. Teaches us to be enthusiastic and passionate in a grounded, realistic way. Excellent for perspective during the "in love" phase of a relationship.