MMSN8 -N. Comstock High Grade Silver-Gold Ore

NATIVE GOLD, visible gold, can be seen as clusters of dots in this high grade ore sample of Au and Ag.

Dark and light gray minerals are often high grade silver minerals as noted in the placard. Visible free gold is in numerous specimens. Yellowish-orange colored quartz like portions can be "Electrum", a natural alloy of gold and silver. High grade Electrum was used by the Roman Empire to make their coinage.

Typical minerals of the north Comstock: Argentite, Stephanite, Electrum and native Gold.
Stephanite often so black seeming to absorb all light and in other conditions it it has a dark blue cast.
Argentite is often a light to medium gray. Stephanite and Argentite are minerals of silver.
Electrum is a natural alloy of gold and silver having golden coloration in transparent material like quartz.
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MMSN7 -N. Comstock High Grade Silver-Gold Ore

NATIVE GOLD, visible gold, can be seen as clusters of specs and dotted grains in this high grade precious metal ore sample of Au and Ag.

(Au): the Atomic symbol for Gold from the Latin word "Auriferous".
au·rif·er·ous (ô-rif-er-ous) adj. Containing gold; gold-bearing. [From Latin aurifer, gold-bearing : aurum, gold + -fer, -fer.]

AURIFEROUS: adjective (Earth Sciences / Geological Science) (of rock) containing gold; gold-bearing
[from Latin aurifer gold-bearing, from aurum gold + ferre to bear]
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S2001 -N. Comstock High Grade Silver-Gold Ore

NATIVE GOLD, dots of grains and small specs can be seen as visible gold, in this softball size high grade ore sample of precious metals. Dark gray areas - the silver mineral - Stephanite.
(Au): the Atomic symbol for Gold from the Latin word "Auriferous".
au·rif·er·ous (ô-rif-er-ous) adj. Containing gold; gold-bearing. [From Latin aurifer, gold-bearing : aurum, gold + -fer, -fer.]

AURIFEROUS: adjective (Earth Sciences / Geological Science) (of rock) containing gold; gold-bearing
[from Latin aurifer gold-bearing, from aurum gold + ferre to bear]
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MM114 -N. Comstock High Grade Silver-Gold Ore

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MM214 -N. Comstock High Grade Silver-Gold Ore

Typical minerals of the north Comstock: Argentite, Stephanite, Electrum and native Gold.
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MM215 -N. Comstock High Grade Silver-Gold Ore

STEPHANITE in this specimen is dark gray with a dark blue cast.
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MM223 -N. Comstock High Grade Silver-Gold Ore

The ARGENTITE mineral is often a light to medium gray in translucent rock material such as quartz.
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MM225 -N. Comstock High Grade Silver-Gold Ore

Stephanite and Argentite are minerals of silver as noted in the store and museum placards.
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MM5003 -N. Comstock High Grade Silver-Gold Ore

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MM5010 -N. Comstock High Grade Silver-Gold Ore

STEPHANITE in this specimen is dark gray with a dark blue cast.

The ARGENTITE mineral is often a light to medium gray in translucent rock material such as quartz.
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MMG2 -N. Comstock High Grade Silver-Gold Ore

The ARGENTITE mineral is often a light to medium gray in translucent rock material such as quartz.

Argentite is a mineral of silver as noted in the store and museum placards.
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