UV Mineral: Skapolithe (Wernerite)

Over time, ‘tremolite’ has often been used as a generic term for fluorescent minerals belonging to the asbestos group. Manganocummingtonite, anthophyllite and tremolite are virtually indistinguishable from one another in the field and all belong to the amphibole group of silicate minerals.Regardless, they are stunningly beautiful fluorescent specimens!Size: approx. 3 cmshort-wavelength (254 nm): intense orangelong-wavelength (366 nm): orange–pinkColors in product pics may vary from those of the original specimen due to technical reasons.Our photos are inteded as reference; upon purchase, you will receive one specimen of equivalent quality.

Willemite, a zinc silicate, is known for its extremely high fluorescence under short-wave UV-light, where it can show various green colors. In daylight, willemite occurs in a wide variety of shapes and shades, ranging from spring green, gem-like crystals to red masses. Willemite is also often phosphorescent.Size: approx. 3–4 cmshort-wavelength (253 nm): bright greenlong-wavelength (366 nm): gray-greenDue to technical limitations, colors in product photos may differ slightly from those of the original piece. Our images are provided for reference, upon purchase you will receive one item of equivalent quality.

Hackmanite, which can temporarily change color when exposed to UV or sunlight,is a mineral in the sodalite group. Under ultraviolet light (long-wave or short-wave UV light), hackmanite glows in striking colors. This natural stone is very popular among mineral collectors. It is sometimes referred to as a “natural luminescent material.”Size: approx. 3 x 4 cmshort-wavelength (253 nm): pink-redlong-wavelength (366 nm): orangeDue to technical limitations, colors in product photos may differ slightly from those of the original product.

short wave (253 nm): yellow whitelong wave (366 nm): whiteapprox. 3 x 4 cm

Rubies are a red variety of the mineral corundum (Al₂O₃). They derive their iconic color from trace amounts of chromium. Ruby crystals are valued not only in jewelry but also in lasers, where their fluorescence is amplified by optical pumping and emitted coherently.Size: approx. 3 x 4 cmlong wavelength (365 nm): pink to dark redDue to technical limitations, colors in product photos may differ slightly from those of the original product.Our images are provided for reference; upon purchase, you will receive a specimen of comparable quality.

This relatively rare mineral belongs to the sodalite group and exhibits a very beautiful fluorescence under black light, with the intensity depending on wavelength and localityof the specimen.Size: approx. 3 x 4 cmShort-wavelength (253 nm): faint orangeLong-wavelength (365 nm): bright orange – yellow-orangeDue to technical limitations, colors in product photos may differ slightly from those of the actual piece.Our images are intended as reference; upon purchase you will receive a specimen of equivalent quality.

Witherite is relatively rare and is a zeolite mineral. Most witherites exhibit rather unremarkable shades of white to gray; polished specimens are usually colorless or white.They can also exhibit pale shades of yellow, green, or brown.Size: approx. 3 x 4 cmshort wavelength (254 nm): yellowishlong wavelength (365 nm): faintly yellowish to bluish-whiteDue to technical limitations, colors in product photos may differ slightly from those of the actual specimen.Our images are intended as a reference; upon purchase, you will receive a specimen of comparable quality.