ダイヤモンドの硬度は非常なものなのでガラスが切れます。

diamond

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

hardness; solidity

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

emergency; extraordinary; unusual

person

be; is; indicates past or completed action; indicates light imperative

that being the case; because of ...; the reason is ....; given that...

glass; pane; vitreous

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to break; to snap; to be cut; to split; to crack; to be injured; to wear out; to be worn out; to break; to burst; to collapse; to wear off; to stop working; to go dead; to expire (time limit, etc.); to run out; to become due; to run out (of stock, etc.); to be exhausted; to be used up; to be sold out; to be out of; to be broken off (e.g. of a relationship); to break up; to have severed ties; to be cut off; to be disconnected; to cut well; to be sharp; to be sharp-minded; to be keen; to be shrewd; to be quick-witted; to be able; to be short of; to drop under (a certain figure); to beat (e.g. a record time); to dry off; to curve; to veer; to shuffle (cards); to get angry; to snap; to blow one's top; to lose one's temper; to flip; to be able to do completely