ʻO ka graphite he allotrope o ke kalapona elemental, a ʻo ka graphite kekahi o nā minela palupalu. ʻO kāna hoʻohana ʻana me ka hana ʻana i ka penikala a me ka lubricant, a ʻo ia kekahi o nā mineral crystalline o ke kalapona. Loaʻa iā ia nā hiʻohiʻona o ke kūpaʻa wela kiʻekiʻe, ke kūpaʻa corrosion, thermal shock res ...
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