How do you use mindat?
If you go to the top of the page and click on “About”, you can then click on the “Mindat manual”. If you are looking for information on a specific mineral or locality, click on “Search”. These will give you a good start, and Mindat people are very good at answering questions.
Is mindat org reliable?
Mindat is still the best site available as far as I am concerned. Just have to work with any things that don’t go fast enough for you. Above you even got people to say they will help and correct it for you.
Does chalcopyrite have gold?
Chalcopyrite also contains gold, nickel, and cobalt in solid solution and may be closely associated with PGMs formed by mafic/ultramafic igneous intrusive and in greenstone belts. Chalcopyrite is the primary source of copper metal associated with many high value commodities.
Is there gold in chalcopyrite?
Can gold be found in chalcopyrite?
The range of gold concentrations in bornite and chalcopyrite (or iss) decreases with decreasing temperature from 1,280 to 8,200 ppm Au in bornite and 100 to 125 ppm Au in iss at 600°C, to 235 to 364 ppm Au in bornite and 5 to 16 ppm Au in chalcopyrite (or iss) at 500°C, and to 13 to 80 ppm Au in bornite and 2 to 4 ppm …
Is chalcopyrite a crystal?
Chalcopyrite is a member of the tetragonal crystal system.
Can you touch pyrite?
No, pyrite is not dangerous to touch. “Can turn into” is an awfully broad term, it does not mean anything, unless you specify the conditions. Table salt can turn into a poisonous gas (if electrolyzed, that is).
What is @calcite?
Calcite: Mineral information, data and localities. This section is currently hidden. Click the show button to view. Ancient name. Named as a mineral by Gaius Plinius Secundus (Pliny the elder) in 79 from Calx, Latin for Lime. Calcite Group. Calcite-Rhodochrosite Series. A very common and widespread mineral with highly variable forms and colours.
Is this boulangerite included calcite specimen the best looking black mineral?
Herja Mine, Chiuzbaia, Baia Mare, Maramureș, Romania I have always felt that Boulangerite included Calcite specimens were among some of the best looking black mineral specimens around. Let’s face it, most black mineral specimens do not possess much in the way of aesthetics. This Boulangerite included Calcite is an exception to that rule.
What is the hardness of calcite?
A very common and widespread mineral with highly variable forms and colours. Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties.
What is the size of this calcite scalenohedron?
A stunning and aesthetic cluster of lustrous, etched calcite scalenohedrons to 3.7 cm on chalcedony matrix from Irai, Brazil. Lots of Irai calcite around, but this specimen is way above average. 7.8 x 5.8 x 4.6 cm © Rob Lavinsky & irocks.com Calcite El Rosario mountain, La Toma, Coronel Pringles Department, San Luis Province, Argentina 12 x 9 cm.