Several other exotic allotropes have also been discovered, such as lonsdaleite, glassy carbon, carbon nanofoam and linear acetylenic carbon (carbyne).The amorphous form is an assortment of carbon atoms in a non-crystalline, irregular, glassy state, which is essentially graphite but not held in a crystalline macrostructure.. 
Lọwọlọwọ Astatini ni àpilẹ̀ṣe Aladanida to ṣọ̀wọ́njùlọ pẹlu ìdíye bi 30g ni o wà ninu igbẹlé ayé.ìtumọ̀ àwọn àpilẹ̀ṣe kẹ́míkà.. 