• Location: Huyen Song Hinh – Phu Yen, Vietnam
• Weight: 19.9g
• Dimensions: 3.6 x 3.5 x 1.2 cm
• DETAILED DESCRIPTION

Vietmanite – a rare tektite from Southeast Asia Vietmanite is one of the rarest representatives of Indochinese tektites, originating from the mainland part of Southeast Asia. It is a type of natural glass formed by a large meteorite impact — similar to moldavites or Libyan desert glass. Formation Vietmanites were formed by a meteorite impact that caused extreme heat and pressure. As a result, the Earth's surface rocks melted and, after rapid cooling, solidified into natural glass. Their age is estimated at around 700,000 years. The exact crater has not yet been definitively identified, but scientists speculate that it may be located in Cambodia or Vietnam — possibly near Tonlé Sap lake. Characteristics Vietmanite is primarily composed of silicon dioxide (SiO₂). It typically has a dark brown to black color with a lustrous surface and is generally opaque. The surface is often smooth or shows erosion marks typical of tektites that have passed through the atmosphere at high speed and temperature. Collector's value Unlike other Indochinese tektites, Vietmanites are very rarely found, making them highly sought-after collector's items. Each piece represents an authentic fragment of cosmic history and a unique natural phenomenon formed during one of the most powerful events in Earth's history.