Bacino mine, Rio Marina, Isola Elba, Livorno, Italy - Nice bright and iridescent hematite crystals to 0.8-1 cm in size show among quartz crystals on an hematite matrix. A classic from Isola Elba iron mines ! Showy specimen of 3.5x2x2 cm

Mt. Cavalluccio,  Campagnano di Roma,  Sacrofano Caldera,  Rome Province, Latium,  Italy - Rare specimen of Peprossiite-Ce on matrix. According to mindat, this mineral species is the first  anhydrous rare-earth-element borate and is found in only 4 localities, all located within Latium, Italy. Thumbnail of 1.2x1x0.9 cm

Bacino mine, Rio Marina, Isola Elba, Livorno, Italy - A nice cluster of bright hematite crystals from Isola Elba, Italy ! There are several crystals and a couple of them are 1 cm in size ! Nice metallic luster. Overall size is 2x1.6x1.5 cm

Bras D'Or lake, Cape Breton Island, Nova Scotia, Canada - Cluster of crystals of this unusual mineral show up on anydrite matrix. Crystals are up to 3 mm and form a cluster of 0.6 cm in width. Overall size is 2.5x1.5x0.7 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - Nice cluster of genthelvite crystals. There are half a dozen crystals all combined and mixed all together on a small matrix. Very nice thumbnail ! Overall size is 1.1 x 1.1 x 0.9 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - The small piece of matrix of is composed by magnetite and calcite. There is a cluster of genthelvite crystals that is composed by 2 main genthelvite having a common base ! The cluster looks like being biterminated and with a rombohedric shape. The whole measures 1.4x0.7 cm and show a nice brown color with some qurtz coating of tiny crystals. Overall size is 1.8x1.7x1.6 cm

N'Chwaning Mine, Northern Cape Province, South Africa  - Nice coverage of crystalline rhodocrosite from this well known locality ! The crystals show a nice light pink color and are up to 0.4 cm Nice color and showy ! Overall size is 4x2x1.5 cm

Cliff Exposure, Sidmouth, Devon, England - Well defined and terminated cluster of baryte crystals to the size of 2.7 cm show nicely on this rock. The other baryte crystals are up to 1.5 cm. Overall size is 3.4x2.2x2.2 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - Nice brown twinned genthelvite crystals  up to 0.9 cm on ludwigite and magnetite. Overalll size is 3x2x1.5 cm

Pereta Mine, Scansano, Tuscany, Italy - Red globules of ottensite on altered stibnite. Pereta is the first natural (non-slag) locality for this rare antimony oxide, and the specimen is also host to microscopic colorless aggregates (not visible under normal microscopes) of two other rare oxides - brizziite and mopungite.Overall size 4x2.2x1.5 cm