Abstract

Vietnam's natural resources are plentiful and variuos, researching, searching, evaluating the quality and reserves of minerals resources in order to meet the needs of socio-economic development is the responsibility of the geological industry. To initially investigate, evaluate and introduce to the market the construction of a new decorative material of high quality and value, and provide materials and samples for the training of geology students of Ho Chi Minh City University of Technology, the author has used many methods: field working, measurement, photographing, taking and analyzing samples to research of petrography - mineral characteristics and preliminary evaluation of the ability to use decorative stone of the effusive magmatic acid rock in the South Middle region of Vietnam. After polishing samples, the author find that the high gloss (75-85%), beautifully curly color pattern, each sample has an unique beauty and aesthetics. Preliminary evaluation is samples can be used like decorative stones.