Apache Tears Silicon Dioxide: SiO2 (70%) plus Iron Oxide and Aluminium Oxide impurities. Mohs: 5-5.5 Source: USA Apache tears ( also known as Marekanite ) is a term for rounded pebbles of Obsidian or Obsidianites composed of black or dark-colored natural volcanic glass. The name Apache Tear comes from a legend of the Apache tribe: about 75 Apaches and the US Cavalry fought on a mountain overlooking what is now Superior, Arizona in the 1870s. Facing defeat, the outnumbered Apache warriors rode their horses off the mountain to their deaths rather than be killed. The wives and families of the warriors cried when they heard of the tragedy; their tears turned into stone upon hitting the ground. American singer-songwriter Johnny Cash wrote a song entitled "Apache Tears" for his 1964 album Bitter Tears: Ballads of the American Indian. Like other types of Black Obsidian, they will absorb negative energy and are strong protection stones. This makes Apache Tear's powerful tools to cleanse your auric field of negativity. Apache tears protect against Stress/Panic/Shock, from Inner Darkness, and against Psychic Attacks. Protects the Aura, their historical meaning ( see above) also makes the Apache Tear a powerful healing crystal if you are feeling grief and emotional distress. They are very strong crystals for spiritual grounding and can be used after working with high vibrational crystals like Moldavite.