The small lichen has dull pink to grey areoles, characterised by completely immersed, reddish to pink-brown apothecia (fruiting bodies) and lacking soredia and isidia.

This species is characterised by its completely immersed apothecia (fruiting bodies), which are bright reddish, pink-brown, or reddish-pink in colour, and the lack of soredia and isidia.

The upper surface of the areoles is generally dull pink to brownish-orange, sometimes showing patches of whitish pruina or appearing greyish in some areas.

The discs of the apothecia are initially slightly concave, soon becoming flat and are rose or dull reddish-brown in colour, turning yellowish-orange when overmature.

[1] Neobrownliella montisfracti grows predominantly on a variety of siliceous substrates such as quartzite, schist, granite, and sandstone rocks.

This species often coexists with other members of the Caloplaca genus (in the broad sense), such as Filsoniana australiensis and Nevilleiella cfr.