Ammoniotinsleyite, (NH 4 )Al 2 (PO 4 ) 2 (OH)⋅2H 2 O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile
The new leucophosphite-group mineral ammoniotinsleyite is found in a guano deposit located on the Pabellón de Pica Mountain, Iquique Province, Tarapacá Region, Chile. Associated minerals are halite, gypsum, salammoniac and clay minerals. Ammoniotinsleyite occurs as pink to pale violet globular aggre...
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| Veröffentlicht in: | Mineralogical magazine 2020-10, Vol.84 (5), p.705-711 |
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| creator | Chukanov, Nikita V. Möhn, Gerhard Pekov, Igor V. Zubkova, Natalia V. Ksenofontov, Dmitry A. Belakovskiy, Dmitry I. Vozchikova, Svetlana A. Britvin, Sergey N. Desor, Joy |
| description | The new leucophosphite-group mineral ammoniotinsleyite is found in a guano deposit located on the Pabellón de Pica Mountain, Iquique Province, Tarapacá Region, Chile. Associated minerals are halite, gypsum, salammoniac and clay minerals. Ammoniotinsleyite occurs as pink to pale violet globular aggregates up to 3 mm across with individual single crystals ~10–15 μm. The mineral is brittle. Its Mohs hardness is 4.
D
meas.
= 2.42(2) g cm
–3
and
D
calc.
= 2.451 g cm
–3
. The IR spectrum shows the presence of NH
4
+
and PO
4
3–
groups and H
2
O molecules. Ammoniotinsleyite is optically biaxial (+), α = 1.557(2), β = 1.559 (calc.), γ = 1.563(2) (λ = 589 nm); and 2V
meas.
= 75(10)°. The chemical composition (K, Mg, Ca, Al, Fe and P from electron-microprobe data; H, C and N measured by gas chromatography on products of ignition at 1200°C; wt.%) is: (NH
4
)
2
O 7.25, K
2
O 1.50, MgO 0.42, CaO 0.34, Al
2
O
3
29.91, Fe
2
O
3
2.36, P
2
O
5
43.97, H
2
O 14.89, CO
2
below detection limit, total 100.64. The empirical formula is [(NH
4
)
0.88
K
0.10
Ca
0.02
)]
Σ1.00
(Al
1.86
Fe
3+
0.09
Mg
0.03
)
Σ1.98
(PO
4
)
1.96
(OH)
1.05
⋅2.11H
2
O. The idealised formula is (NH
4
)
2
Al
2
(PO
4
)
2
(OH)⋅2H
2
O. The crystal structure of ammoniotinsleyite was refined based on powder X-ray diffraction data, using the Rietveld method. The final agreement factors are:
R
p
= 0.0071,
R
w
p
= 0.0093 and
R
obs
= 0.0167. The new mineral is isostructural with tinsleyite, spheniscidite and leucophosphite. It is monoclinic, space group
P
2
1
/
n
,
a
= 9.5871(1) Å,
b
= 9.6089(1) Å,
c
= 9.6467(2) Å, β = 103.4461(8)°,
V
= 864.31(2) Å
3
and
Z
= 4. The strongest reflections of the powder X-ray diffraction pattern [
d
,Å(
I
,%)(
hkl
)] are: 7.56(23)(
$\bar{1}$
01), 6.71(79)(011, 110), 5.947(100)(101,
$\bar{1}$
11), 4.676(36)(002, 200), 3.032(28)(
$\bar{1}$
13, 031, 130), 2.958(25)(
$\bar{2}$
22, 310,
$\bar{1}$
31) and 2.635(29)(
$\bar{2}$
31). |
| doi_str_mv | 10.1180/mgm.2020.45 |
| format | Article |
| fullrecord | <record><control><sourceid>crossref</sourceid><recordid>TN_cdi_crossref_primary_10_1180_mgm_2020_45</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>10_1180_mgm_2020_45</sourcerecordid><originalsourceid>FETCH-LOGICAL-c785-41044a653ef88c422d3bc3d4d74cf30c0f7dcde811063c4eb0c191b181126f5f3</originalsourceid><addsrcrecordid>eNotkE1OwzAQhS0EEqWw4gKzbEVTxo7zw7KqgFSqSBddsIscx26NnKSNU1APwIodV-EI3ISTkAhW881bvCd9hFxTnFIa4225KacMGU55cEIGlEfUi5GxUzJAZKHHQ_p8Ti6ce0GknAZsQD5nZVlXpm5N5aw6mlZNYPSUAIfxzAKD0Srtuac0Gf98vLOk43QCAir1BqWpVCMsuJ2SRjnQTV1Cu1WwOYiqhkLtamdaEC2sRK6s_f6quhBWRooJLPYHsz90X1O_mkp2y_OtseqSnGlhnbr6v0OyfrhfzxNvmT4u5rOlJ6M48DhFzkUY-ErHseSMFX4u_YIXEZfaR4k6KmShYkox9CVXOUp6R3PaBSzUgfaH5OavVja1c43S2a4xpWiOGcWst5l1NrPeZsYD_xdXZ2X9</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Ammoniotinsleyite, (NH 4 )Al 2 (PO 4 ) 2 (OH)⋅2H 2 O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile</title><source>Cambridge University Press Journals Complete</source><creator>Chukanov, Nikita V. ; Möhn, Gerhard ; Pekov, Igor V. ; Zubkova, Natalia V. ; Ksenofontov, Dmitry A. ; Belakovskiy, Dmitry I. ; Vozchikova, Svetlana A. ; Britvin, Sergey N. ; Desor, Joy</creator><creatorcontrib>Chukanov, Nikita V. ; Möhn, Gerhard ; Pekov, Igor V. ; Zubkova, Natalia V. ; Ksenofontov, Dmitry A. ; Belakovskiy, Dmitry I. ; Vozchikova, Svetlana A. ; Britvin, Sergey N. ; Desor, Joy</creatorcontrib><description>The new leucophosphite-group mineral ammoniotinsleyite is found in a guano deposit located on the Pabellón de Pica Mountain, Iquique Province, Tarapacá Region, Chile. Associated minerals are halite, gypsum, salammoniac and clay minerals. Ammoniotinsleyite occurs as pink to pale violet globular aggregates up to 3 mm across with individual single crystals ~10–15 μm. The mineral is brittle. Its Mohs hardness is 4.
D
meas.
= 2.42(2) g cm
–3
and
D
calc.
= 2.451 g cm
–3
. The IR spectrum shows the presence of NH
4
+
and PO
4
3–
groups and H
2
O molecules. Ammoniotinsleyite is optically biaxial (+), α = 1.557(2), β = 1.559 (calc.), γ = 1.563(2) (λ = 589 nm); and 2V
meas.
= 75(10)°. The chemical composition (K, Mg, Ca, Al, Fe and P from electron-microprobe data; H, C and N measured by gas chromatography on products of ignition at 1200°C; wt.%) is: (NH
4
)
2
O 7.25, K
2
O 1.50, MgO 0.42, CaO 0.34, Al
2
O
3
29.91, Fe
2
O
3
2.36, P
2
O
5
43.97, H
2
O 14.89, CO
2
below detection limit, total 100.64. The empirical formula is [(NH
4
)
0.88
K
0.10
Ca
0.02
)]
Σ1.00
(Al
1.86
Fe
3+
0.09
Mg
0.03
)
Σ1.98
(PO
4
)
1.96
(OH)
1.05
⋅2.11H
2
O. The idealised formula is (NH
4
)
2
Al
2
(PO
4
)
2
(OH)⋅2H
2
O. The crystal structure of ammoniotinsleyite was refined based on powder X-ray diffraction data, using the Rietveld method. The final agreement factors are:
R
p
= 0.0071,
R
w
p
= 0.0093 and
R
obs
= 0.0167. The new mineral is isostructural with tinsleyite, spheniscidite and leucophosphite. It is monoclinic, space group
P
2
1
/
n
,
a
= 9.5871(1) Å,
b
= 9.6089(1) Å,
c
= 9.6467(2) Å, β = 103.4461(8)°,
V
= 864.31(2) Å
3
and
Z
= 4. The strongest reflections of the powder X-ray diffraction pattern [
d
,Å(
I
,%)(
hkl
)] are: 7.56(23)(
$\bar{1}$
01), 6.71(79)(011, 110), 5.947(100)(101,
$\bar{1}$
11), 4.676(36)(002, 200), 3.032(28)(
$\bar{1}$
13, 031, 130), 2.958(25)(
$\bar{2}$
22, 310,
$\bar{1}$
31) and 2.635(29)(
$\bar{2}$
31).</description><identifier>ISSN: 0026-461X</identifier><identifier>EISSN: 1471-8022</identifier><identifier>DOI: 10.1180/mgm.2020.45</identifier><language>eng</language><ispartof>Mineralogical magazine, 2020-10, Vol.84 (5), p.705-711</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c785-41044a653ef88c422d3bc3d4d74cf30c0f7dcde811063c4eb0c191b181126f5f3</citedby><cites>FETCH-LOGICAL-c785-41044a653ef88c422d3bc3d4d74cf30c0f7dcde811063c4eb0c191b181126f5f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Chukanov, Nikita V.</creatorcontrib><creatorcontrib>Möhn, Gerhard</creatorcontrib><creatorcontrib>Pekov, Igor V.</creatorcontrib><creatorcontrib>Zubkova, Natalia V.</creatorcontrib><creatorcontrib>Ksenofontov, Dmitry A.</creatorcontrib><creatorcontrib>Belakovskiy, Dmitry I.</creatorcontrib><creatorcontrib>Vozchikova, Svetlana A.</creatorcontrib><creatorcontrib>Britvin, Sergey N.</creatorcontrib><creatorcontrib>Desor, Joy</creatorcontrib><title>Ammoniotinsleyite, (NH 4 )Al 2 (PO 4 ) 2 (OH)⋅2H 2 O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile</title><title>Mineralogical magazine</title><description>The new leucophosphite-group mineral ammoniotinsleyite is found in a guano deposit located on the Pabellón de Pica Mountain, Iquique Province, Tarapacá Region, Chile. Associated minerals are halite, gypsum, salammoniac and clay minerals. Ammoniotinsleyite occurs as pink to pale violet globular aggregates up to 3 mm across with individual single crystals ~10–15 μm. The mineral is brittle. Its Mohs hardness is 4.
D
meas.
= 2.42(2) g cm
–3
and
D
calc.
= 2.451 g cm
–3
. The IR spectrum shows the presence of NH
4
+
and PO
4
3–
groups and H
2
O molecules. Ammoniotinsleyite is optically biaxial (+), α = 1.557(2), β = 1.559 (calc.), γ = 1.563(2) (λ = 589 nm); and 2V
meas.
= 75(10)°. The chemical composition (K, Mg, Ca, Al, Fe and P from electron-microprobe data; H, C and N measured by gas chromatography on products of ignition at 1200°C; wt.%) is: (NH
4
)
2
O 7.25, K
2
O 1.50, MgO 0.42, CaO 0.34, Al
2
O
3
29.91, Fe
2
O
3
2.36, P
2
O
5
43.97, H
2
O 14.89, CO
2
below detection limit, total 100.64. The empirical formula is [(NH
4
)
0.88
K
0.10
Ca
0.02
)]
Σ1.00
(Al
1.86
Fe
3+
0.09
Mg
0.03
)
Σ1.98
(PO
4
)
1.96
(OH)
1.05
⋅2.11H
2
O. The idealised formula is (NH
4
)
2
Al
2
(PO
4
)
2
(OH)⋅2H
2
O. The crystal structure of ammoniotinsleyite was refined based on powder X-ray diffraction data, using the Rietveld method. The final agreement factors are:
R
p
= 0.0071,
R
w
p
= 0.0093 and
R
obs
= 0.0167. The new mineral is isostructural with tinsleyite, spheniscidite and leucophosphite. It is monoclinic, space group
P
2
1
/
n
,
a
= 9.5871(1) Å,
b
= 9.6089(1) Å,
c
= 9.6467(2) Å, β = 103.4461(8)°,
V
= 864.31(2) Å
3
and
Z
= 4. The strongest reflections of the powder X-ray diffraction pattern [
d
,Å(
I
,%)(
hkl
)] are: 7.56(23)(
$\bar{1}$
01), 6.71(79)(011, 110), 5.947(100)(101,
$\bar{1}$
11), 4.676(36)(002, 200), 3.032(28)(
$\bar{1}$
13, 031, 130), 2.958(25)(
$\bar{2}$
22, 310,
$\bar{1}$
31) and 2.635(29)(
$\bar{2}$
31).</description><issn>0026-461X</issn><issn>1471-8022</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNotkE1OwzAQhS0EEqWw4gKzbEVTxo7zw7KqgFSqSBddsIscx26NnKSNU1APwIodV-EI3ISTkAhW881bvCd9hFxTnFIa4225KacMGU55cEIGlEfUi5GxUzJAZKHHQ_p8Ti6ce0GknAZsQD5nZVlXpm5N5aw6mlZNYPSUAIfxzAKD0Srtuac0Gf98vLOk43QCAir1BqWpVCMsuJ2SRjnQTV1Cu1WwOYiqhkLtamdaEC2sRK6s_f6quhBWRooJLPYHsz90X1O_mkp2y_OtseqSnGlhnbr6v0OyfrhfzxNvmT4u5rOlJ6M48DhFzkUY-ErHseSMFX4u_YIXEZfaR4k6KmShYkox9CVXOUp6R3PaBSzUgfaH5OavVja1c43S2a4xpWiOGcWst5l1NrPeZsYD_xdXZ2X9</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Chukanov, Nikita V.</creator><creator>Möhn, Gerhard</creator><creator>Pekov, Igor V.</creator><creator>Zubkova, Natalia V.</creator><creator>Ksenofontov, Dmitry A.</creator><creator>Belakovskiy, Dmitry I.</creator><creator>Vozchikova, Svetlana A.</creator><creator>Britvin, Sergey N.</creator><creator>Desor, Joy</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>202010</creationdate><title>Ammoniotinsleyite, (NH 4 )Al 2 (PO 4 ) 2 (OH)⋅2H 2 O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile</title><author>Chukanov, Nikita V. ; Möhn, Gerhard ; Pekov, Igor V. ; Zubkova, Natalia V. ; Ksenofontov, Dmitry A. ; Belakovskiy, Dmitry I. ; Vozchikova, Svetlana A. ; Britvin, Sergey N. ; Desor, Joy</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c785-41044a653ef88c422d3bc3d4d74cf30c0f7dcde811063c4eb0c191b181126f5f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chukanov, Nikita V.</creatorcontrib><creatorcontrib>Möhn, Gerhard</creatorcontrib><creatorcontrib>Pekov, Igor V.</creatorcontrib><creatorcontrib>Zubkova, Natalia V.</creatorcontrib><creatorcontrib>Ksenofontov, Dmitry A.</creatorcontrib><creatorcontrib>Belakovskiy, Dmitry I.</creatorcontrib><creatorcontrib>Vozchikova, Svetlana A.</creatorcontrib><creatorcontrib>Britvin, Sergey N.</creatorcontrib><creatorcontrib>Desor, Joy</creatorcontrib><collection>CrossRef</collection><jtitle>Mineralogical magazine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chukanov, Nikita V.</au><au>Möhn, Gerhard</au><au>Pekov, Igor V.</au><au>Zubkova, Natalia V.</au><au>Ksenofontov, Dmitry A.</au><au>Belakovskiy, Dmitry I.</au><au>Vozchikova, Svetlana A.</au><au>Britvin, Sergey N.</au><au>Desor, Joy</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ammoniotinsleyite, (NH 4 )Al 2 (PO 4 ) 2 (OH)⋅2H 2 O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile</atitle><jtitle>Mineralogical magazine</jtitle><date>2020-10</date><risdate>2020</risdate><volume>84</volume><issue>5</issue><spage>705</spage><epage>711</epage><pages>705-711</pages><issn>0026-461X</issn><eissn>1471-8022</eissn><abstract>The new leucophosphite-group mineral ammoniotinsleyite is found in a guano deposit located on the Pabellón de Pica Mountain, Iquique Province, Tarapacá Region, Chile. Associated minerals are halite, gypsum, salammoniac and clay minerals. Ammoniotinsleyite occurs as pink to pale violet globular aggregates up to 3 mm across with individual single crystals ~10–15 μm. The mineral is brittle. Its Mohs hardness is 4.
D
meas.
= 2.42(2) g cm
–3
and
D
calc.
= 2.451 g cm
–3
. The IR spectrum shows the presence of NH
4
+
and PO
4
3–
groups and H
2
O molecules. Ammoniotinsleyite is optically biaxial (+), α = 1.557(2), β = 1.559 (calc.), γ = 1.563(2) (λ = 589 nm); and 2V
meas.
= 75(10)°. The chemical composition (K, Mg, Ca, Al, Fe and P from electron-microprobe data; H, C and N measured by gas chromatography on products of ignition at 1200°C; wt.%) is: (NH
4
)
2
O 7.25, K
2
O 1.50, MgO 0.42, CaO 0.34, Al
2
O
3
29.91, Fe
2
O
3
2.36, P
2
O
5
43.97, H
2
O 14.89, CO
2
below detection limit, total 100.64. The empirical formula is [(NH
4
)
0.88
K
0.10
Ca
0.02
)]
Σ1.00
(Al
1.86
Fe
3+
0.09
Mg
0.03
)
Σ1.98
(PO
4
)
1.96
(OH)
1.05
⋅2.11H
2
O. The idealised formula is (NH
4
)
2
Al
2
(PO
4
)
2
(OH)⋅2H
2
O. The crystal structure of ammoniotinsleyite was refined based on powder X-ray diffraction data, using the Rietveld method. The final agreement factors are:
R
p
= 0.0071,
R
w
p
= 0.0093 and
R
obs
= 0.0167. The new mineral is isostructural with tinsleyite, spheniscidite and leucophosphite. It is monoclinic, space group
P
2
1
/
n
,
a
= 9.5871(1) Å,
b
= 9.6089(1) Å,
c
= 9.6467(2) Å, β = 103.4461(8)°,
V
= 864.31(2) Å
3
and
Z
= 4. The strongest reflections of the powder X-ray diffraction pattern [
d
,Å(
I
,%)(
hkl
)] are: 7.56(23)(
$\bar{1}$
01), 6.71(79)(011, 110), 5.947(100)(101,
$\bar{1}$
11), 4.676(36)(002, 200), 3.032(28)(
$\bar{1}$
13, 031, 130), 2.958(25)(
$\bar{2}$
22, 310,
$\bar{1}$
31) and 2.635(29)(
$\bar{2}$
31).</abstract><doi>10.1180/mgm.2020.45</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0026-461X |
| ispartof | Mineralogical magazine, 2020-10, Vol.84 (5), p.705-711 |
| issn | 0026-461X 1471-8022 |
| language | eng |
| recordid | cdi_crossref_primary_10_1180_mgm_2020_45 |
| source | Cambridge University Press Journals Complete |
| title | Ammoniotinsleyite, (NH 4 )Al 2 (PO 4 ) 2 (OH)⋅2H 2 O, a new mineral species from the guano deposit at Pabellón de Pica, Iquique Province, Chile |
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