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Contraluz Opal: an opal where you see the play of colors suspended inside by illuminating the back of the stone.

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Moss Agate - Yellowstone River, Custer Co., Montana

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Pyrrhotite: an iron sulfide mineral with the formula Fe(1-x)S (x = 0 to 0.2). It is a nonstoichiometric variant of FeS, the mineral known as troilite. Pyrrhotite is also called magnetic pyrite, because the color is similar to pyrite and it is weakly magnetic

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Galena: also called lead glance, is the natural mineral form of lead(II) sulfide. It is the most important ore of lead and an important source of silver

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Cyanotrichite: a hydrous copper aluminium sulfate mineral with formula Cu4Al2[(OH)12|SO4]·2H2O, also known as lettsomite. Cyanotrichite forms velvety radial acicular crystal aggregates of extremely fine fibers

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Creedite: a calcium aluminium sulfate fluoro hydroxide mineral with formula: Ca3Al2SO4(F,OH)10·2(H2O). Creedite forms colorless to white to purple monoclinic prismatic crystals.

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Spessartine Garnet on Schorl (Tourmaline)

Locality:  Shigar Valley, Skardu, Baltistan, Northern Areas, Pakistan

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Chiastolite: a variety of the mineral andalusite with the chemical composition Al2SiO5. It is noted for distinctive cross-shaped black inclusions of graphite.

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Dioptase: an intense emerald-green to bluish-green copper cyclosilicate mineral.

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Pyromorphite: a mineral species composed of lead chlorophosphate: Pb5(PO4)3Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead.

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Horse Mountain Iris Agate: an iridescent variety of agate - when sliced into a thin section it exhibits all the colours of the spectrum when viewed in transmitted light.

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Spessartine - Navegadora claim, Conselheiro Pena, Doce valley, Minas Gerais, Brazil

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Morrisonite: Also known as Morrison Ranch Jasper, has been a sought after lapidary material since the 1950’s.

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Morgan Hill Jasper: Form of orbicular jasper with red and yellow spots. Often referred to as a poppy / poppy seed jasper.

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Plumbogummite: a rare secondary lead phosphate mineral, belonging to the alunite supergroup of minerals, crandallite subgroup.