Code: ML270
| 名稱 天然玻璃 | Name Moldavite |
| 化學公式 SiO2(+Al2O3) | Chemical Formula SiO2(+Al2O3) |
| 莫氏硬度 5.5-7 | Mohs scale of Hardness 5.5-7 |
| 描述 顏色範圍從黃綠色到綠色到棕綠色，並且其條紋為白色。它的光澤是玻璃的。它沒有分裂。 | Description The colours range from yellowish green, to green, to greenish brown, and its streak is white. Its luster is vitreous. It has no cleavage. |
| 小挑戰 它是如何形成的？天然玻璃是由大約1500萬年前發生在德國南部的隕石撞擊形成的。 | Challenge How was it formed? Moldavite was formed by a meteorite impact probably in southern Germany that occurred about 15 million years ago. |
Reference
By 4A Chow Pui Ching 06 on 18/4/2021