Esperite

Origin: Franklin, Sussex County, New Jersey, U.S.A.

Sample size: 12 x 10 x 7 cm (top left), 11 x 8 x 3 cm (top right), 9 x 6 x 5 cm (bottom)

Esperite (green fluorescence) with franklinite

Origin: Franklin, Sussex County, New Jersey, U.S.A.

Sample size: 10 x 9 x 7.5 cm

Slab of nearly solid off-white esperite.

Origin: Franklin Mine, Sussex Co., New Jersey, U.S.A.

Ex. George Elling collection

Sample size: 8.4 x 5.6 x 1.7 cm

Photo courtesy of:

Rob Lavinsky

Esperite : yellow, clinohedrite : orange, hardystonite : blue, willemite : green and calcite: red and pink under SW-UV light

Origin: unknown

Owner: Axel Emmermann

Photo courtesy of:

Esperite with calcite and franklinite

Origin: Sterling Hill mine, Ogdensburg, New Jersey, U.S.A.

Sample size: 6.5 x 4.5 x 5 cm

Photo courtesy of:

Dan Weinrich

Dealer in fine mineral specimens

Specimen of various Franklin minerals including: esperite (yellow), willemite (green), hardystonite (violet). Also present on this specimen are franklinite and zincite.

Esperite and willemite

Origin: Franklin, Sussex Co, New Jersey, U.S.A.

Sample size: 11 x 7 x 5.5 cm (top left), 9.5 x 5.5 x 1 cm (top right), 6.5 x 4.5 x 3.5 cm (2nd row), 6.5 x 4.7 x 3.9 cm (3rd row), 9 x 5 x 1 cm (bottom)

Photo courtesy of:

John Veevaert, Trinity Mineral Co

Trinityminerals.com

Creamy white massive matrix of esperite which fluoresces bright canary yellow. Could not get this photo to come out yellow! It shows more of a green, but it is a bright yellow. Associated with red zincite and willemite (Fl green).

Origin: Franklin, Sussex Co., New Jersey, United States (type locality)

Ex. DeVito collection

Sample size: 4 x 3 x 1.5 cm

Photo courtesy of:

Tom Loomis

Dakota Matrix Minerals

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Physical, chemical and crystallographic description

Optical properties/Thin sections

SEM images

TEM images

vibrational spectra description

IR spectra

Raman spectra

N-IR spectra

F-IR spectra

IES spectra