Silicon dioxide

Silicon dioxide is the most abundant oxide on this axis and the hardest one to sell. Ordinary quartz sand is everywhere; high-purity quartz is a specification, and the traded product is defined by what is absent from it. In general industry terms, what separates HPQ from ordinary quartz sand is impurity level rather than abundance — the specification is written in parts per million of contaminants, which is why very few deposits qualify however much quartz they hold.

That inversion is what this page says and no other page here can. Every other oxide on this axis is traded on how much of it a sample contains; this one is traded on how little of everything else. Generally, high-purity quartz goes to semiconductor crucibles, photovoltaic manufacturing and optical fibre — applications where a trace contaminant ruins the part rather than merely downgrading it. Also general, and worth noting across these pages: silicon dioxide is the material hafnium dioxide replaced in transistor gates below about 45 nm, so HPQ's own semiconductor role sits in the crucible rather than in the device.

Osmond has published no silica data of any kind for Orión — no grade, no assay, no concentrate result. Silica is a strategic interest, not a reported one. That is stated here rather than left out, because a heading with no numbers under it is a clearer signal than a page that quietly does not exist: the absence is the current status. Orión has no JORC-compliant Mineral Resource or Reserve in any case — exploration results and mineralogical estimates only, with a maiden MRE and Scoping Study pending, targeted Q3 CY26.

In general terms, HPQ supply is concentrated because qualification is deposit-specific: the impurity chemistry of a given quartz body, not its size, decides whether it can serve those end uses at all.