The shapes and forms are excellent showing the classic melted droplet nature of these ancient tektites. The zhamanshin crater is estimated to be 900,000 +-100,000 yrs. The lot weighs 13 grams. Please use the pictures to gauge actual size compared to the coin, thank you.The pictures were taken in full sun. Item for sale is pictured and is the specimen/specimens you will receive. Please ask any questions you may have. Tektites and meteorites are used for wisdom, knowledge, and to help withstand mental or emotional uncertainty. They are also used to diminish or overcome challenges with mental processes. Tektites and meteorites are used for extraterrestrial communication, astral travel, lucid dreaming and to strengthen one's energy field. Being a product of extraterrestrial phenomena, tektites are associated with worlds outside our own. They are believed to facilitate communication with otherworldly realms and encourage spiritual growth. In some traditional societies, tektites are worn to promote fertility for both men and women. Although not a birthstone, tektites are affiliated with the zodiac signs aries and cancer and are often associated with the third eye chakra. Energy healers believe that black tektites can be used for awakening telepathy, clairvoyance, expanding consciousness during meditation, energizing and cleansing the chakras, encouraging positive emotional transformation, aligning energy flow through the meridians and removing energetic blocks. This item is made of meteoritic glass.