Hematite's Streak: All specimens of hematite will produce a reddish streak. The streak of a mineral is its color in powdered form when scraped across a streak plate (a small piece of unglazed porcelain used to produce a small amount of mineral powder).

Regardless of their different appearances, all varieties of hematite exhibit a distinctive reddish-brown streak that serves to distinguish it from most common minerals. The mineral’s most common varieties are metallic and earthy hematite.

2023年9月8日 · One of the notable characteristics of hematite is its streak. When hematite is scratched on a rough surface, it leaves a reddish-brown streak, which distinguishes it from other similar-looking minerals. This streak is a useful identification feature for hematite.

Hematite varieties include kidney ore, martite (pseudomorphs after magnetite), iron rose and specularite (specular hematite). While these forms vary, they all have a rust-red streak. Hematite is not only harder than pure iron, but also much more brittle.

Streak: Reddish-brown - When scratched, hematite leaves a reddish-brown streak, reflecting its internal color. Hardness: 5.5 - 6.5 on Mohs scale - Hematite is moderately hard, podendo scratch glass but being susceptible to scratching by harder minerals like quartz.

2019年8月30日 · Hematite is a common iron oxide mineral found in rocks and soils everywhere. Hematite is commonly seen in two different forms called metallic hematite and earthy hematite. Hematite can come in a variety of raw forms including crystals.

2023年11月21日 · Hematite can be identified by its characteristic reddish streak. Regardless of its outward color, when scratched, hematite will leave a reddish-brown streak. This streak is a key identifier and is different from other iron oxides or iron ores.

2024年1月23日 · Hematite: Watch out for a red to reddish-brown color, giving you a hint of its iron content. Garnet, Diamond, or Corundum: These are tough on the plate and leave behind a colorless streak. Limonite: This one’s easy to remember with its yellowish-brown streak.

2024年2月7日 · Hematite is an iron oxide mineral widely found in rocks and soils across the globe. Its name comes from the Greek word haima, meaning blood — this refers to the red streak it leaves when rubbed...

Quite a few minerals may resemble Hematite in appearance, but Hematite's red streak is a distinguishing property. Lepidocrocite, which has a red streak like Hematite, is softer (4.5 - 5), and is translucent in thin splinters, and Goethite is less lustrous.