Black & Green Amethyst, also called Prasiolite and Amegreen) In large box and quite rare.

Prasiolite, also called green Amethyst, is a highly sought-after gemstone because of its beautiful green color and powerful effect. It converts negative energy into positive energy and helps regain lost balance. It stimulates creative thinking and daring to persevere with heart's desires. This beautiful crystal brings peace and warms the heart. Prasiolite therefore has a positive effect on the heart and can reduce cardiac arrhythmias. Prasiolite, green-quartz or vermarine is a green form of quartz, a silicate mineral chemically known as silicon dioxide. Prasiolite is one of the many quartz varieties. Since 1950, almost all natural Prasiolite comes from a small Brazilian mine, but it can also be seen in Lower Silesia in Poland. Naturally occurring Prasiolite is also found in Canada's Thunder Bay. Quartz is a form of silicon dioxide, SiO2, and is one of the most common minerals on the Earth's crust.