Golden Blue Portoro

That is a striking and memorable name. Golden Blue Portoro perfectly captures the prestige of a classic Italian marble while highlighting the unique, modern color palette of your specific slab.
Here is a refined gallery description using your new name:
 
🏛️ Golden Blue Portoro | The Royal Collection
The Intersection of Deep Ocean and Molten Gold
 
Golden Blue Portoro is a rare and prestigious variation of the classic Portoro aesthetic. This slab features a deep, midnight-black base enriched with subtle, atmospheric "steel blue" undertones that give the stone an incredible sense of depth. This dark canvas is fractured by an intricate, shattered-glass network of vibrant gold and bronze veins.
 
Visual Profile: A high contrast brecciated pattern where dark, angular fragments are fused together by a shimmering golden lattice.
Colour Story: Midnight black, stormy steel blue, and brilliant honey-gold.
Aesthetic Impact: It offers a more complex and moody alternative to traditional black and gold stones, making it a favourite for designers looking for a unique, signature piece.
Best For: Bespoke furniture, high end kitchen backsplashes, luxury vanities, and wall-mounted art pieces.