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"C) Mining metallurgy PUREVAP solar grade silicon production: PYR.V has ~$8M contract with HPQ Silicon Resources Inc. to develop PUREVAP process for it, able to turn quartz into 6N (99.9999% purity) solar grade silicon in one step. HPQ will be positioned to singlehandedly disrupt the silicon market pricewise once the contract is complete — PyroGenesis gets 10% royalty upon commercialization."