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.
it is used to test streak, for rocks and minerals
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.
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