{"id":4777,"date":"2026-01-28T14:26:38","date_gmt":"2026-01-28T13:26:38","guid":{"rendered":"https:\/\/renier.be\/?p=4777"},"modified":"2026-03-04T16:03:13","modified_gmt":"2026-03-04T15:03:13","slug":"belgian-vs-chinese-blue-stone-which-do-you-choose-for-your-project","status":"publish","type":"post","link":"https:\/\/renier.be\/en\/belgische-vs-chinese-blauwe-steen-welke-kies-jij-voor-jouw-project\/","title":{"rendered":"Belgian vs. Vietnamese blue stone: which one will you choose for your project?"},"content":{"rendered":"

Blue stone has been one of the most popular materials in Belgian construction for centuries. But when picking your terrace tiles<\/a> or sills<\/a> you soon come across two varieties: Belgian and Vietnamese bluestone. The price difference is significant, but what exactly do you get for your money? As a family business with more than 100 years of experience in natural stone<\/a> we put the facts clearly on the table.<\/p>\n\n\n\n

What is the difference between Belgian and Vietnamese blue stone?<\/h2>\n\n\n\n

The main difference is in its geological composition. Belgian bluestone (also called \u2018petit granit\u2019) is a compact, non-porous limestone formed 345 million years ago in our Hainaut subsoil. Asian varieties have a different mineral composition with a higher dolomite (lime and magnesium) content and are therefore less adapted to our climate.<\/p>\n\n\n\n

Comparison: Belgian vs. Vietnamese stone<\/h3>\n\n\n\n
Feature<\/strong><\/td>Belgian blue stone<\/strong><\/td>Vietnamese blue stone<\/strong><\/td><\/tr><\/thead>
Composition<\/strong><\/td>Compact limestone, non-porous<\/td>Dolomite (lime + magnesium), more porous<\/td><\/tr>
Frost resistance<\/strong><\/td>Excellent, resistant to Belgian climate<\/td>Much more sensitive<\/td><\/tr>
Color stability<\/strong><\/td>Lasting deep blue with beautiful patina<\/td>May discolor brownish over time<\/td><\/tr>
Appearance<\/strong><\/td>Crinoids (fossils), deep blue color<\/td>O\u00f6lites (white spots), rather grayish<\/td><\/tr>
Price level<\/strong><\/td>Higher (local extraction, strict selection). Customization possible<\/td>Bearing (mass production, transportation). standard dimensions<\/td><\/tr>
Lifetime<\/strong><\/td>For generations, proven for centuries<\/td>Perhaps shorter<\/td><\/tr>
Co2 Impact<\/strong><\/td>Very low<\/td>Very high<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

How do you recognize the difference? Crinoids vs. o\u00f6lites<\/h3>\n\n\n\n

Belgian bluestone can be recognized by the crinoids<\/strong>: fossilized sea lilies visible as small white dots or lines. These are authentic signs of Belgian origin. Vietnamese stone, on the other hand, contains o\u00f6lites<\/strong>: round, whitish chalk balls that can oxidize over time and form brown spots.<\/p>\n\n\n\n

Tip:<\/strong> Dip a piece of stone in water for a long time. Do circles appear? Then it is not Belgian bluestone.<\/p>\n\n\n\n

When do you choose which variant?<\/h3>\n\n\n\n

Belgian blue stone is ideal for:<\/h4>\n\n\n\n