Where is the largest copper mine in the world?
Chile
Does copper ore contain gold?
These ore bodies range from around 10 million to >4,000 million tonnes of contained ore, and have a grade of between 0.2% and 5% copper, with gold contents ranging from 0.1 to 1.41 grams per tonne.
What are 2 examples of ores?
Ores are minerals that have a high concentration of a certain element, typically a metal. Examples are cinnabar (HgS), an ore of mercury, sphalerite (ZnS), an ore of zinc, or cassiterite (SnO2), an ore of tin (Mineral). Part A: The table lists several ores of metals and their chemical formulas.
Is ore a gold?
Most of the world’s gold ore is used to create jewelry and decorative items. Ore is a deposit in Earth’s crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron. Copper ore is mined for a variety of industrial uses.
What color is copper ore?
It is found native and in a variety of combinations with other minerals. It is often a by-product from silver and other mining. Copper has many colors from yellowish-to-reddish brown, red, pink, blue, green, and black.
What is copper ore formula?
Deep in the ground where reducing conditions prevail, copper sulfides like chalcopyrite, bornite and chalcocite dominate….Copper Ores.
| Name | Formula | wt % Cu |
|---|---|---|
| Chalcocite | Cu2S | 79.8 |
| Covellite | CuS | 66.5 |
| Bornite | 2Cu2S·CuS·FeS | 63.3 |
| Chalcopyrite | CuFeS2 | 34.5 |
What raw copper looks like?
Copper, is a copper red to reddish-brown, soft, ductile and malleable metal. Its color as copper red is best seen by reflected light.
Why is a copper mine blue?
Azurite is a soft, deep-blue copper mineral produced by weathering of copper ore deposits. Since antiquity, azurite’s exceptionally deep and clear blue has been associated with low-humidity desert and winter skies.
Can malachite be blue?
Azurite is a soft, deep blue copper mineral produced by weathering of copper ore deposits. Malachite is a green-colored mineral which crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses. Individual crystals are rare but do occur as slender to acicular prisms.
What is the blue rock called?
Lapis lazuli
What ore is green?
Malachite is the another copper carbonate hydroxide mineral with chemical formula [Cu2CO3(OH)2] formed by the weathering of copper orebodies in the vicinity. The color is bright green (Fig. 1.14) with light green streak. The hardness and specific gravity varies between 3.5–4.0, and 3.6–4.0, respectively.
What mineral is green in color?
Chlorite
What rock is green?
The name “mariposite” is also used for rocks. The rocks contain enough particles of green mica to produce a green color. These rocks are metamorphic, have been altered by hydrothermal activity, and they are usually thought to have a serpentinite protolith.
How can you tell if a rock is Jasper?
You cannot identify an agate or jasper specimen by color alone. Each of these minerals come in a wide array of colors, but it the translucency (or lack of) that determines what type of mineral you actually have. Jaspers are commonly found in red, green, yellow, tan, brown, and even purple.
Is there an app that can identify crystals?
STONE is the crystal app designed to bring a little light to the modern life. An always-on, easy-to-access manual of minerals for your back pocket or the bottom of your Birkin bag, STONE is the perfect companion for the uninitiated and crystal cognoscenti alike.
Is there an app that can identify rocks?
The KamenCheck and the RockCheck apps are available for free on the Google play store and are adapted for use on Android devices (soon also planned for iOS).
Who can identify rocks?
Can you identify my rock or mineral?
- Your state geological survey.
- A natural science museum.
- A college or university with a geology department.
- A rockshop.
- Members of a local Gem & Mineral club or Rockhunting club (many hobbyists are experts at identification)
- Vendors at a Gem & Mineral show.
What is the black stuff in rocks?
Hematite, an iron oxide, is the most common black or brownish-black mineral in sedimentary and low-grade metasedimentary rocks. It varies greatly in form and appearance, but all hematite produces a reddish streak.