LEGO IDEAS | Mineral Collection 21362. Build 6 mineral models using transparent LEGO bricks: golden pyrite, purple amethyst, blue fluorite, watermelon tourmaline, reddish-pink rhodochrosite and tangerine quartz. Display them on 3 independent buildable modules that can be rearranged. Together, the display measures approximately 18 cm high, 28 cm wide and 7 cm deep.