Blue Marine Quartzite: Is It Quartzite, Granite, or Something Else?

Hands holding a small blue stone sample up against a full Blue Marine quartzite slab in a warehouse rack

Direct Answer: Blue Marine is a trade name, not a geologic classification. Slabs sold under it range from true quartzite to feldspar-rich stone sold as granite, so ask the supplier for the classification. You saw a deep blue slab on a designer’s board or across a showroom floor, and you fell for it. Then one […]

6mm, 12mm, or 20mm: Choosing a Porcelain Slab Thickness for the Job

Large-format marble shower wall tiles being fitted, demonstrating porcelain slab thickness installation in bathroom.

Direct Answer: Porcelain slab thickness matches the surface, not the budget. Use 6mm to 9mm for walls and overlays, 12mm for most kitchen and bath counters, and 20mm for patios, pool surrounds, and long spans. Most people meet this question the same way. A fabricator or a showroom sheet asks which thickness you want, the […]

Approving a Slab From Photos: What to Confirm Before You Show a Client

Large-format marble shower tiles being fitted and approved during installation in bathroom enclosure.

Direct Answer: Photos can carry a slab specification if you request five specific shots, confirm the SKU, lot, and slab count, and route fissures, pitting, and book-match questions to someone standing at the rack. Your client wants to see something by Friday. The slab is sitting in a rack in Sand City, your templating window […]

Thinking Cristallo Quartzite for Your Island? Look at the Fissures First

Flashlight held behind a translucent Cristallo quartzite slab on a warehouse rack, revealing fissure lines

Direct Answer: Cristallo quartzite is prized for its glassy clarity, and that same crystal structure carries natural fissures. Inspect the actual slab for fissure lines where cutouts will land before you commit. You saw a photo of a glassy, almost see-through white slab with gold or amber veins running through it, and now nothing else […]

Chantilly Quartzite for the Marble Look: What to Confirm Before You Commit

Marble countertop installation with gas cooktop and range hood in luxury kitchen

Direct Answer: Chantilly quartzite gives you a quiet white-and-gray marble look with more durability. Before committing, confirm the slab’s actual density, how many slabs from that block are in stock, and the finish in person. You want the look of soft white marble in a kitchen that actually gets cooked in. Someone told you quartzite […]

Down to Three Quartzites? What Separates Taj Mahal, Mont Blanc, and the Rest

Three quartzite countertop slabs staged side by side in a stone warehouse for comparison under the same lighting

Direct Answer: Taj Mahal, Mont Blanc, and White Macaubas are trade names tied to a quarry region and a look, not performance grades. Density, porosity, and finish vary slab to slab. You have a folder of saved photos. Maybe it is Taj Mahal and Mont Blanc. Maybe White Macaubas and Perla Venata snuck in there […]

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Down to Three Quartzites? What Separates Taj Mahal, Mont Blanc, and the Rest

Three quartzite countertop slabs staged side by side in a stone warehouse for comparison under the same lighting