Create a Gypsum block set, similar to Quartz. Gypsum is often used for building and plaster in real life, so it makes sense to use it here for a similar purpose. The colour of the block set should be orangeish, and with a more Egyptian and Middle Eastern style to it (as opposed to the Greco-Roman style of Quartz).

Feature checklist:

• Polished Gypsum Block
• Polished Gypsum Stairs
• Polished Gypsum Slab
• Polished Gypsum Wall
• Chiseled Gypsum
• Gypsum Pillar
• Smooth Gypsum
• Smooth Gypsum Stairs
• Smooth Gypsum Slab
• Smooth Gypsum Wall