We’re not transferring any non-Earth technology here. Humans already know about making very data dense records in glass substrates. Diamonds are better. If the dinosaurs took notes that way we’d still have their literature. A pure silica glass is an inexpensive substitute for carbon crystal, but if glass is buried for too many millennia the outer layers take up water and opalize. As witness, the rainbow sheen that appears on pieces of ancient Roman glass.
There have been problems with translating the names of various of the aliens into English. First, some wanted to protect their privacy, second, there are literal translations that would be downright distracting for the reader, as an example; “Threesmells.” Only Two of the names were left alone; Deinococcus radiodurans (because microbes don’t care); and Kewie Dee (because he insisted — and because he measures over half a kilometer, snout to tail).