Do you know these stones in English? Ruby – A bright red precious stone. Emerald – A deep green precious stone. Jade – A tough green stone often used for carvings. Sapphire – A shiny blue stone (can come in other colors too). Marble – A smooth rock often used for floors, statues, and buildings. Amethyst – A purple crystal used as a gemstone. Which stone is your favourite? Share in the comments! #learnenglish #ielts #ingles #angielski | The Grammar Goat

Tools Used In The Stone Age - Sciencing

Prehistoric bone tool cache suggests advanced reasoning in early hominins