Love the orange/yellow!

This rock has a mix of white, brown, and yellowish hues with a somewhat translucent appearance in parts, suggesting it could be one of several types:

Chalcedony: This is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. Chalcedony can come in various colors, often white, gray, or with bands of different colors. The smooth, waxy luster and the coloration in your rock could fit chalcedony, especially if it's a variety like onyx or agate with less defined banding.

Agate: If the rock has any subtle banding or layering, it might be classified as agate. Agates are known for their fine grain and bright, attractive colors, often with bands or layers.