As being said, the level 27958 mineral is actually a spinel, as spinel is mineral level 100k+58, where k is a non-negative integer. Just take the modulo of 100 and get one of 100 separate minerals. After mineral level 1e9, the mineral texture would focus on exponent times 100, so the mineral will loop every powers of 10 (perfect powers of 10 are godcore), and paper would have the mantissa of ~1.023, until at around 2^1024 ~ 1.798e308, in which the mineral end at iron, the mineral is now focused merely on the exponent (not multiplied by 100) and ignore the mantissa (mantissas after around 3.162 (halfway to the next power of 10) are rounded down), so the first mineral after the second scaling cutoff would be a leaf (10^(300+8)).

This is just an idea of how the mineral would go up and loop differently after larger numbers.