The most blue crystals I know of are, Copper sulphate crystals, topaz, and sapphire
An example of an inorganic mineral is quartz.
Gold is an example of a native mineral, which means it is composed of a single element in its pure form.
The blue mineral found in oxidized copper deposits is likely to be azurite. Azurite is a copper carbonate mineral that forms as a result of the weathering and oxidation of copper ore deposits. Its striking blue color makes it a sought-after mineral for collectors and artisans.
An example of a native mineral is elemental gold (Au) in its pure form without any combination with other elements.
petrified wood
Blue John is a mineral
An example of an inorganic mineral is quartz.
Blue John is a mineral
Azurite is a deep blue mineral. It is often associated with copper deposits.
Calcite is an example of a carbonate mineral.
There is no specific "blue poisonous rock," but some minerals that can appear blue are toxic. For example, azurite is a blue copper carbonate mineral that can be harmful if ingested or inhaled in dust form. Additionally, certain blue-colored stones, like lapis lazuli, are not poisonous but may contain other minerals that could be harmful. Always exercise caution and verify the properties of any mineral before handling.
The blue variety of a rare mineral used as a gemstone is called blue diamond. Blue diamonds are highly sought after for their rarity and unique color.
Azurite is a blue mineral that gets its name from the Persian word "lazhward," which means blue. It is often used in jewelry and has been prized for its vibrant blue color for centuries.
Sharp sand is an example of a silicate mineral.
blue
salt
ambot