Too Many Stones
JoeEnderman

35 new stone types that all spawn in the world on all mapgens but v6.

Wilhelmines Living Desert
Liil

Adds plants to the default deserts of minetest game.

Amethyst
alerikaisattera

Amethyst, basalt, calcite and related building blocks

Aotearoa
Eris

Fork of aotearoa by Dokimi. Complements the default map biomes with Aotearoa, land of the long white cloud, New Zealand.

Warning: Non-free media.

Deepslate
Silver Sandstone

Adds deepslate and related building materials.

Gal
ShadMOrdre

A collection of naturally occuring materials, including: sand, clay, dirt, stone, ore, metals, glass, various water types, oil, lava, grease, liquid soils, and decorative stones.

NodeCore Nature: Revised
Warr1024

Updated, fixed, enhanced edition of Winter94's NodeCore Nature