メールでのお問い合わせメールでのお問い合わせ
Dacite is a form of igneous rock sometimes categorized in its own family and sometimes considered a variety of andesite. Lightly colored, dacite is predominately composed of silica, plagioclase feldspar, and one or more other minerals, such as hornblende, biotite, or augite.
このページはお住まいの地域ではご覧いただくことはできません。
You are being redirected to our local site.