资讯

Southern Living on MSN7 个月
The Difference Between Quartz And Quartzite, According To The Pros
Quartz and quartzite countertops look similar, but they're both manufactured in different ways with different durability, ...
Smithsonian Magazine12 年
A Tasting Tour of Salts Around the World
The Himalayan mineral salt harvested from mountain mines was my hands-down favorite, partly for its silvery pink glow, which suggested crushed rose quartz, combined with its mild, fresh salinity.
PBS7 年
Stone Age Toolkit
Blade cores provided a portable source of stone or obsidian for manufacturing different kinds of tools by flaking ... point made of chalcedony, a kind of quartz. This artifact was used for playing ...
PBS6 年
Stone Age Toolkit
Blade cores provided a portable source of stone or obsidian for manufacturing different kinds of tools by flaking ... point made of chalcedony, a kind of quartz. This artifact was used for playing ...