I dont have access to real-time market prices and current demands for the Brazil Gold Slate stone; thus I cannot say for sure whether Brazil Gold Slate is expensive or not. However, here are some factors that can affect the pricing of Brazil Gold Slate:

- Rarity: If Brazil Gold Slate is rare, it could be expensive.
- Quality: The quality of Brazil Gold Slate affects its price. A high-quality stone with minimal flaws and blemishes will be more expensive than a lower quality one.
- Origin: The place where Brazil Gold Slate is mined can affect its price. If a particular quarry produces a unique or high-quality version of Brazil Gold Slate, it could be more expensive.
- Market demand: Market demand for Brazil Gold Slate can affect its price. If theres a high demand for the stone, its price is likely to be higher.

Ultimately, the price of Brazil Gold Slate will vary depending on these factors, as well as other market-based issues and trends.