This is a beautiful polished free form of Malachite from the Democratic Republic of Congo

a member of the feldspar mineral family

Grove Hill

The colorless specimens are very rare and sometimes are called ghost crystals

the first one is grey and second one is black

Ozona Meteorite | 0.158 Gr | Laboratory Vial | 1929 Rare H6 Chondrite | Texas, USA Impact Melt Breccia This is a beautiful polishedThis is a great looking laboratory vial of the Ozona H6 Chondrite classified meteorite. The specimen weighs 0. 158 grams. This specimen is from the Martin Horejsi Collection. The Ozona meteorite was discovered on the W. Payen Ranch in Crockett County, Texas, United States, in 1929. However, it was not recognized as a meteorite until 1939. Many fragments of this H6 Stone Chondrite were recovered, the largest of which weighed 110 lbs. Ozona is a veined