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A closer photo of the hematite from Willis Mountain Mine. (Author: Jessica Simonoff)
A closer photo of the hematite fro
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A color-zoned fluorite from Okorusu, Namibia. 8.5x6x2 cm (Author: Jessica Simonoff)
A color-zoned fluorite from Okorus
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A tabular crystal of titanite from Russia. I wish I had more specific locality information! 3x3x.3 cm. (Author: Jessica Simonoff)
A tabular crystal of titanite from
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Another photo of the calcite on plant roots. (Author: Jessica Simonoff)
Another photo of the calcite on pl
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Aquamarine and schorl crystals with some feldspar from Erongo Mountain, Namibia. 7x5x4 cm. (Author: Jessica Simonoff)
Aquamarine and schorl crystals wit
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Aquamarine from Tripp Mine, Alstead, New Hampshire. Crystal is 4 cm long. (Author: Jessica Simonoff)
Aquamarine from Tripp Mine, Alstea
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Aquamarine on smokey quartz with feldspar from Tripp Mine, Alstead, New Hampshire. Crystal is 5 cm long. (Author: Jessica Simonoff)
Aquamarine on smokey quartz with f
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Bright blue smithsonite from Kelly Mine, New Mexico. 4x3.5x2.5 cm. (Author: Jessica Simonoff)
Bright blue smithsonite from Kelly
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Calcite coating plant roots from Cata Mine, Mexico. 14x7x4 cm including root sticking out of the edge. (Author: Jessica Simonoff)
Calcite coating plant roots from C
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Calcite crystals from National Limestone Quarry, Pennsylvania. 4x4x3 cm. (Author: Jessica Simonoff)
Calcite crystals from National Lim
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Calcite crystals from National Limestone Quarry, Pennsylvania. The crystals have an interesting habit but I’m not good enough at crystallography to know about them. 8x6x4 cm and the largest crystal is 2 cm long. (Author: Jessica Simonoff)
Calcite crystals from National Lim
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Cerussite from Touissit, Morocco. 3x1.5x1.5 cm. (Author: Jessica Simonoff)
Cerussite from Touissit, Morocco.
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Cerussite from Touissit, Morocco. 5x6.5x4 cm. (Author: Jessica Simonoff)
Cerussite from Touissit, Morocco.
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Cerussite from Tsumeb, Namibia. 1.5x1.5x2 cm. (Author: Jessica Simonoff)
Cerussite from Tsumeb, Namibia. 1.
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Color-zoned fluorite from Okorusu Mine, Namibia. 4x2x2 cm. (Author: Jessica Simonoff)
Color-zoned fluorite from Okorusu
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Cornwallite from Ethiunda Mine, Australia. 4x3x2 cm. (Author: Jessica Simonoff)
Cornwallite from Ethiunda Mine, Au
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Fluorite and quartz Yaogangxian Mine, Yizhang, Chenzhou, Hunan, China 3x3x1.5 cm (Author: Jessica Simonoff)
Fluorite and quartz Yaogangxian Mi
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Fluorite from National Limestone Quarry, Pennsylvania. Crystal is 1x1.5 cm. (Author: Jessica Simonoff)
Fluorite from National Limestone Q
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Fluorite on quartz with pyrite from Hunan Province, China. 4x4x3 cm. (Author: Jessica Simonoff)
Fluorite on quartz with pyrite fro
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Galena and quartz from Konski dol deposit, Bulgaria. 6x2.5x3 cm. (Author: Jessica Simonoff)
Galena and quartz from Konski dol
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Grossular garnet in calcite Hunting Hill quarry, Rockville, Montgomery Co., Maryland, USA 4.5 cm x 2 cm; garnet is 0.5x0.5 cm Self-collected (Author: Jessica Simonoff)
Grossular garnet in calcite Huntin
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Grossular garnets of serpentine from Hunting Hill Quarry, Rockville, Maryland. 6x6x6 cm. (Author: Jessica Simonoff)
Grossular garnets of serpentine fr
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Hematite from Willis Mountain Mine, Virginia. 11.5x8x1 (Author: Jessica Simonoff)
Hematite from Willis Mountain Mine
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I love this color! Spangolite crystals from Mex-Tex Mine, New Mexico. 3x2.5x1.5 cm. (Author: Jessica Simonoff)
I love this color! Spangolite crys
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Japan-law twinned quartz and sphalerite from Krushev dol deposit, Bulgaria. 8x6x3 cm. (Author: Jessica Simonoff)
Japan-law twinned quartz and sphal
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Malachite on Hematite Manassas Quarry, Manassas, Prince William Co., Virginia, USA 1 x 0.6 cm FOV Self-collected (Author: Jessica Simonoff)
Malachite on Hematite Manassas Qua
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Malachite on Hematite Manassas quarry, Manassas, Prince William Co., Virginia, USA 1 x 0.6 cm FOV Self-collected (Author: Jessica Simonoff)
Malachite on Hematite Manassas qua
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Manganese oxide on limestone. The main dendrite is 6 cm across. From National Limestone quarry, Mount Pleasant Mills, Pennsylvania. (Author: Jessica Simonoff)
Manganese oxide on limestone. The
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Pyromorphite from Sedeftche deposit, Bulgaria. 3x3x2 cm. (Author: Jessica Simonoff)
Pyromorphite from Sedeftche deposi
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Rhodochrosite with quartz from Sweet Home Mine, Colorado. 6x5x2 cm. (Author: Jessica Simonoff)
Rhodochrosite with quartz from Swe
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Sixling twin of cerussite from Tsumeb, Namibia. 4x4x3 cm. (Author: Jessica Simonoff)
Sixling twin of cerussite from Tsu
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Skeletal galena from Krushev dol deposit, Bulgaria. 8x4.5x2.5 cm. (Author: Jessica Simonoff)
Skeletal galena from Krushev dol d
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Small crystals of wulfenite with baryte from Xichang Mine, China. 4x3.5.x3 cm (Author: Jessica Simonoff)
Small crystals of wulfenite with b
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Sphalerite and galena from Septemvri Mine, Bulgaria. 5x3.5x2 cm. (Author: Jessica Simonoff)
Sphalerite and galena from Septemv
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Sphalerite from Septemvri Mine, Bulgaria. 3x3x2 cm. (Author: Jessica Simonoff)
Sphalerite from Septemvri Mine, Bu
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Sphalerite from Septemvri Mine, Bulgaria. 2x2x2 cm. (Author: Jessica Simonoff)
Sphalerite from Septemvri Mine, Bu
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Wavellite from National Limestone Quarry, Pennsylvania. 8x5x3.5 cm. (Author: Jessica Simonoff)
Wavellite from National Limestone
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Wulfenite and Malachite from Whim Creek Copper Mine, Australia. 9x6x3 cm. (Author: Jessica Simonoff)
Wulfenite and Malachite from Whim