With the appropriate writing instrument or material, yes.
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
The property being measured is the mineral's streak. The streak is the color of the powder produced when a mineral is scraped against an unglazed porcelain plate, and it can help identify the mineral because it often differs from the mineral's external color.
it is used to test streak, for rocks and minerals
To test the streak of a mineral, you will need a streak plate (unglazed porcelain), the mineral sample, and a way to scratch the mineral against the streak plate to observe the color of the powder residue left behind.
The mineral that leaves a green-black powder when rubbed on a porcelain plate is called "serpentine." This mineral is commonly associated with a greenish color and can produce a dark streak when scratched against a harder surface like porcelain. The streak test is a useful method for identifying minerals based on the color of their powder.
Those minerals that are harder than the unglazed porcelain streak plate will scratch it rather than leave a streak.
The Body of Christ Porcelain Plate?
$300
Here are 3 examples:Sometimes porcelain can be expensive.Be careful with that porcelain vase.Thank you for the beautiful porcelain plate.
hematite
Porcelain has a Mohs hardness of approximately 6-7, making it a relatively hard material. This hardness allows porcelain to be used as a streak plate in mineral testing to determine the color of a mineral's powder when scratched against it.
I really have no ideal.
It is a very simply designed plate, with no embellishments. Usually ceramic, but some are porcelain.
plate or somethings can put in it.
i would say at least 35 and up
No, and a broken plate will contaminate a whole crate of recycled glass.
A streak plate