It's variable, but in general I'd suggest dark, on the heavy side, and shiny, sulfides like galena, acanthite, maybe with red glints, eg the ruby silvers, pyrargyrite and proustite.
Silver is a common byproduct of mining other minerals, and the ore often doesn't look like much.
Some mines, like those of Cobalt, Ontario, produced much ore that was actually composed of solid silver, in the form of thin to thick sheets, masses, and wires.
Calcium in its normal state is a soft, silver-white metal that is quite reactive with air and water. It is typically found in the form of calcium carbonate in nature, as in limestone and chalk.
A natural resource is any material or substance that exists in nature and is used by humans for various purposes. Examples include water, minerals, air, sunlight, and trees. Natural resources can take many forms, from raw materials like oil and gas to renewable resources like wind and solar energy.
Raw platinum is a shiny, silver-white metal that is usually found in the form of nuggets or grains. It has a high luster and is very dense, making it a valuable precious metal. Platinum is often found mixed with other metals such as palladium and gold in its natural state.
white :] To be sure, search this on Wikipedia, and look to the right at appearance.
It is a yellow solid (normally in powder form) and it smells like Rotorua.
It is a colourless gas.
In their natural state, diamonds look like transparent crystals with a shiny, reflective surface. They are typically colorless or have a slight yellow or brown tint.
It is a shiny silver colored metal
pretty and on growing.
Silver looks soft, kind of like tin foil when its found
It is a redish brown color.
A fresh surface of plutonium is silvery, metallic.
a fish that is silver
Pure sulfur has a beautiful yellow color.
They have a silver back.
Flint in its natural state appears as a hard, dense rock with a smooth, glassy texture. It is typically dark grey or black in color and can have a shiny appearance.
Curium is a silvery-white, radioactive metal that tarnishes in air. It is not found in the natural environment and is typically produced in laboratories through nuclear reactions. Its most stable form is curium-247.