Malachite Crystal Specimen Size:Medium 4.5" x 2.5" Lava rock can be easily

Lava rock can be easily identified by its porous texture and black color

and sodalite

Yellow fluorite is often found in association with other minerals

Rose quartz and amethyst are both types of gemstones that can be utilized to make earrings

The Mohs hardness is 3

Malachite Crystal Specimen Size:Medium 4.5" x 2.5" Lava rock can be easilyThis phenomenally green specimen of Malachite is a treat to have and hold. Malachite Crystals are extremely unique and interesting. Malachite is a deep green mineral with darker green rings when polished. The rings in Malachite come from a botryoidal (grape like) growth structure when polished down. Malachite is a copper carbonate hydroxide mineral and is rated between 3. 5 and 4 on the Mohs hardness scale. In ancient Egypt, the color green was