Have you ever said 'crystal clear' when something has seemed very obvious to you? When something is crystal clear it means that there is no doubt about the 1 (matter).

1 Kirjoita sanalle "matter" synonyymi eli samaa tarkoittava sana englanniksi.

It is a well-known fact that humans have, from very early on, yearned for anything 2 glitters, shines or glows. 3 The most valuable glittery items have of course been silver, gold and diamonds. But what about crystals and other gemstones? 4 important and what is their role nowadays?

2 relativipronomini "mikä.
3 Suomenna ilmaus "the most valuable'"
4 Täydennä englanniksi "ovatko ne"

Crystals have indeed played a significant role in the history of humankind. 5 From as early as 7000 BC on, crystals 6 in tombs around Europe, the Middle East, Russia and different parts of Africa. In ancient Egypt, crystals were also used as a medical cure. Native Americans used crystals for spiritual, ceremonial, and healing purposes. And of course, beautiful crystals and other gemstones were worn as decorations and 7 signs of wealth.

5 Suomenna ilmaus "From as early as"
6 Täydennä englanniksi "on löydetty"
7 Suomenna ilmaus "signs of wealth.

Crystals and gemstones can be found all around the world. They are mostly found in rock formations and mountainous areas. In Arkansas, USA 8 you can go out to the actual mine area and dig out your own crystals. The price of quartz crystals varies anywhere from 10 to 100 dollars per pound depending on their size and quality. Surprisingly, it is best to search for a flat, black rock since, after cleaning the piece, it 9 into a clear, mirror-like crystal. So no wonder we say something is crystal clear!

8 Täydennä englanniksi "esimerkiksi"
9 Täydennä englanniksi "muuttuu" futuurissa