Hefty Thoth Sapphire

Old English hefig, heavy — adjectival suffix -y. As a color modifier, hefty implies a saturated-and-substantial-and-weighty quality where the hue carries the visual heft of a hand-cast pig-iron object. Sits at the bold-and-weighty end of the grid, parallel to substantial and weighty in usage.

Egyptian Djehuty, ibis-headed-god-of-writing. As a color modifier, thoth implies an ibis-headed-and-scribe-and-moon-god quality, the visual register of Egyptian-Thoth-and-Hermopolis-temple hand-ibis-headed-and-scribe-and-moon-god Egyptian-Thoth-and-Hermopolis-temple-and-Hermes-Trismegistus thoth-and-ibis-headed-and-scribe-and-moon-god surfaces under Egyptian-Thoth-and-Hermopolis-temple-and-Hermes-Trismegistus papyrus-and-reed-pen-and-Hermopolis ibis-scribe-light. Sits at the modifier-and-myth end of the grid, parallel to isis and horus in usage.

An iron-and-titanium-bearing corundum — the same mineral as ruby, hardness 9 on the Mohs scale, mined for two millennia from Sri Lanka, Burma, Madagascar, and the Cashmere mines of British India. The color refers to a fine Kashmir-cut sapphire: a saturated, slightly violet-shifted deep blue with the gem's signature internal velvet — a quality of light scattering in the stone that faceted glass cannot replicate. Cooler than cobalt, deeper than azure.