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Leucophoenicite

Named for the Greek for leuco, meaning “white,” and the Greek for “purplish red” in reference to its color. Leucophoenicite is a rare contact metamorphic or late-stage hydrothermal mineral in veins and skarn in the zinc-manganese orebody at Franklin, New Jersey, USA which is the mineral’s type locality. Other localities include in Sweden, Italy, Namibia, and South Africa.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/leucophoenicite.pdf
- Formula
- Mn2+7(SiO4)3(OH)2
- Crystal System
- Monoclinic
- Crystal Habit
- Striated, Massive
- Cleavage
- Indistinct, None, None
- Luster
- Vitreous (Glassy)
- Color
- brown, brown, violet red, light red, dark pink
- Class
- Monoclinic - Prismatic
- Fracture
- Brittle
- Hardness
- 5.5-6
- WebMineral
- View Leucophoenicite
- Mindat
- View Leucophoenicite
Leucophoenicite from N'Chwaning II mine, Kalahari Mn fields, Northern Cape Province, South Africa

Deep red, sugary looking, micro crystals associated with the Rhodochrosite. The main Rhodochrosite crystal in the photo is 3mm.
Leucophoenicite from Franklin, Sussex Co., New Jersey, United States

A colorful specimen composed of massive, light pink Leucophoenicite and blue "cyprene", a variety of Vesuvianite. Golden brown Adradite garnet composes the entire backsite of the specimen. Near the edge is deep reddish gold mica, presumably Phlogopite.