Day: 05/08/2026

Indian Stone (Indian Black Granite for Precision Measuring Tools / Imported Gabbro) Main CompositionThe Indian Stone used in the industry for marble/granite inspection platforms and CMM bases is essentially a fine-grained gabbro to diorite, often classified as a dark-colored basic intrusive rock. I. Main Mineral Composition (Percentage)Plagioclase: 55%–65% (Primary)Calcium-sodium plagioclase, tabular crystals, determining the stone’s…

The core differences among these four types of stone lie in their origin, appearance, density/stablity, price, and application: Jinan Green offers the highest precision but is scarce and expensive; Indian Stone performs similarly to Jinan Green but is costly due to importation; ZhStone offers good value for money but fades easily when dyed; Northeast Stone…