While each mineral is interesting on its own

it measures 28x20x14

8 Grams / 2

These quartz crystals are often found attached to or associated with mica-rich schist

as its rich patterned coloration in shades of green is unique among gems

NWA 2857 Meteorite | 11.3 grams | Part Slice | L4 | Sahara Desert Rough Emeralds While each mineral is interestingThis is a great looking part slice of Northwest Africa 2857 L4 classified meteorite. It weighs 11. 3 grams and measures 31x24x6 mm. This meteorite was found in the Sahara Desert in 2004 and the total recovered weight is recorded as a low 5. 87 kg. It has a Shock stage of 2 and a Weathering grade of 2. This is a very good quality L4 classified meteorite part slice and is unusually consisting of a chocolate brown mottled matrix with large inclusions and