A rust streak is a streak in iron ore veins that was oxidized. Rust forms when oxygen oxidizes iron ore.
The mineral that leaves a grey streak and is metallic is likely hematite. Hematite is a common iron oxide mineral that has a metallic luster and leaves a grey streak when scratched against a rough surface like unglazed porcelain.
The bird you're describing is likely the Common Grackle. This bird features a glossy black plumage, a distinctive yellow eye, and a yellow beak. Additionally, it may show a slight rust-colored streak on its sides, especially during certain seasons. Common Grackles are often found in Vermont, especially in open fields and near water sources.
Depending on which version of the Silver Streak, the C Series or the C9 Series the value is about the same. In Very Good condition it is worth around $135 to $155 If it has no wear, scratches, dings, rust, pitting or other damage.
The streak of Jade is white.
Perlite does not have a streak color because it is a volcanic glass that does not leave a streak on a streak plate.
The lack of a streak would indicate that the mineral is harder than the streak plate, or the color of the streak is the same as the color of the streak plate.
normally white but may streak other colors if the specimen is stained i dont give a duck
a streak a streak
its streak is white.
Streak
Apatite has a white streak.
biotite has a colorless streak