You can buy twilight stuff from sydney in sydney where twilight stuff is sold.
No, ultrapure elemental germanium (with very tiny amounts of dopant impurities added) is used in electronics devices. Never germanium compounds, organic or inorganic. However the germanium in the compound is the same element, but could not be used in electronic devices unless separated and purified (which destroys the compound).
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you can buy a yoyo in sydney in big W , k mart , target or even local 2 dollar shops :D
Germanium compounds are toxic.
Germanium does no "do" anything.
Germanium is not manufactured; its ore is mined then refined into germanium.
In bankstown shopping centre
the muji store
Germanium is a semiconductor
germanium reacts naturally
Germanium is Ge.