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How to Distinguish Brown Minerals - Photo Gallery


CRAZY LACE AGATE FREEFORM CABOCHON FROM by Geoffrey's Cabochons. Looks like Mother Nature likes to crochet also.

Green Gemstone Peridot Natural Raw Crystal by FenderMinerals, gemstones Chihuahua Mexico crazy lace agate Raw Crystals crystal power!

Cavity with drusy quartz, hydrocarbon and a nice diamond. Rock is 6" across.

Kimberlite, a type of magma that is normally found deep within the Earth’s crust is known to somehow make its way to the surface at times, and when it does, it quite often has diamonds in it.

Oxide Minerals

How to Distinguish Brown Minerals - Photo Gallery

What Is My Red or Pink Mineral?: Alkali Feldspar

What Is the Name of My Red or Pink Mineral?

Feldspar is a group of rock-forming tectosilicate minerals that make up as much as of the Earth's crust. Feldspars crystallize from magma as veins in both intrusive and extrusive igneous rocks and are also present in many types of metamorphic rock.

PAK111 - Vayrynenite $ 750 Shengus, Skardu Dist., Pakistan thumbnail - 2.3 x 0.4 x 0.15 cm Well formed single crystal of the rare phosphate Vayrynenite. Many of these (when you can even find one) are highly etched. This is a sharp, unetched crystal with a good termination and good color and transluceny. There are a few unidentified smaller crystals sprinkled on various areas of the crystal. Crystal is complete and undamaged.

Vayrynenite from Shengus, Skardu Dist. Found in a pegmatite

is one of the sulfide minerals.: Sphalerite

Sulfide Minerals

is one of the sulfide minerals.