pyromorphite
py·ro·mor·phite
P0689300 (pī′rə-môr′fīt′)pyromorphite
(ˌpaɪrəʊˈmɔːfaɪt)py•ro•mor•phite
(ˌpaɪ rəˈmɔr faɪt)n.
| Noun | 1. | pyromorphite - a mineral consisting of lead chloride and phosphate; a minor source of lead |
| 单词 | pyromorphite | |||
| 释义 | pyromorphitepy·ro·mor·phiteP0689300 (pī′rə-môr′fīt′)pyromorphite(ˌpaɪrəʊˈmɔːfaɪt)py•ro•mor•phite(ˌpaɪ rəˈmɔr faɪt)n.
Pyromorphitepyromorphite[¦pī·rō′mȯr‚fīt]Pyromorphitea mineral with the formula Pb5[PO4]3Cl. Pyromorphite contains 82.0 percent PbO, 15.4 percent P2O5, and 2.6 percent Cl. Sometimes it has admixtures of As, which substitutes for phosphorus. Pyromorphite crystallizes in the hexagonal system, forming prismatic or barrel-shaped crystals and, more rarely, granular, fibrous, and sintered aggregates. It has a hardness of 3.5–4 on Mohs’ scale and a density of 6,700–7,100 kg/m3. Pyromorphite is a brittle mineral. Its color is usually various shades of green, occasionally yellow, orange, or some other color. Pyromorphite occurs in oxidation zones of lead and lead-zinc deposits. It is also associated with other lead minerals, such as cerussite, anglesite, mimetite, vanadinite, and wulfenite. Pyromorphite does not form large aggregates. It is used, along with other lead minerals, in the extraction of metallic lead. pyromorphite
Synonyms for pyromorphite
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