Balls of diabase were used by the ancient Egyptians as pounding tools for working softer (but still hard) stones. [24]

Aug 26, 2023 · Hardness: Diabase is relatively hard and durable. Its hardness is typically around 6 to 7 on the Mohs scale, which means it’s harder than most common minerals but softer than minerals like quartz.

Apr 11, 2024 · Diabase is a massive, dense, hard, dark-colored rock with a specific gravity of 2.9-3.3g/cm 3 and a Mohs hardness scale of 6-7. This rock is usually dark gray to black but can have a bluish or greenish tinge.

Diabase, fine- to medium-grained, dark gray to black intrusive igneous rock. It is extremely hard and tough and is commonly quarried for crushed stone, under the name of trap. Although not popular, it makes an excellent monumental stone and is one of the dark-coloured rocks commercially known as

Diabase: A hand specimen of diabase approximately ten centimeters across. The bottom salt-and-pepper colored portion is a polished surface displaying the plagioclase (white) and pyroxene (black) minerals that make up this specimen of an intrusive igneous rock.

Sep 4, 2023 · Diabase is dense, hard, and durable rock. It makes construction aggregate and dimensional stones (building and architectural stone). Also, you can use it for landscaping, riprap (soil erosion control), paving, etc.

-Hardness: Diabase is a very hard rock, with a Mohs hardness rating of 7. -Specific Gravity: The specific gravity of the diabase is 2.8-3.0. This means that it is slightly heavier than other types of rock.

In this article, you’ll obtain answers to common questions about diabase. What Is Diabase? Diabase is a dark-colored, fine-grained, igneous rock that consists mostly of plagioclase feldspar and pyroxene.

Durable Rock, Hard Rock 1.5 Family 1.5.1 Group. Volcanic 1.6 Other Categories. Fine Grained Rock, Medium Grained Rock, Opaque Rock 2 Texture 2.1 Texture. Aphanitic, Granular 2.2 Color. Dark Grey to Black 2.3 Maintenance. Less 2.4 Durability. Durable 2.4.1 Water Resistant.

Apr 30, 2011 · I området kring Billingen, Falbygden och Kinnekulle, har magman trängt in i sprickor över äldre silurlager och svalnat till hård diabas. De underliggande bergarterna därmed skyddats från erosion.