Directory For a Sex Photos : fuckyeahmineralogy: Due to the process of permineralization, a tree’s organic material will slowly be replaced by stone. Most often, silicates such as quartz are seen in petrified wood specimens, but sometimes opal will lead to specimens such as this.
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» fuckyeahmineralogy: Due to the process of permineralization, a tree’s organic material will slowly be replaced by stone. Most often, silicates such as quartz are seen in petrified wood specimens, but sometimes opal will lead to specimens such as this.
