heavy sparn.

Etymology: translation of German Schwerspat, the name given by Werner in 1774.

The native sulphate of barium, barytes; also improperly applied to barium carbonate, and sometimes to the sulphate and carbonate of strontia (Page Handbk. Geol. Terms).

ΘΚΠ

the world > the earth > minerals > types of mineral > sulphates > [noun] > barium sulphate

liverstone1587

ponderous spar1618

cauk1653

cawk1653

ponderous earth1780

baroselenite1786

barytes1789

heavy spar1789

terra ponderosa1794

hepatite1802

allomorphite1842

the world > the earth > minerals > types of mineral > carbonates > [noun] > orthorhombic > witherite

heavy spar1789

barolite1794

witherite1794

1789 A. Crawford in Med. Communications 2 353 The muriated barytes..was obtained by the decomposition of the heavy spar.

1789 A. Crawford in Med. Communications 2 356 Heavy spar from the lead mines of Derbyshire.

1816 R. Jameson Treat. External Characters Minerals (ed. 2) 106 Heavy spar, and actynolite afford examples of it [sc. the hexahedral prism].

1845 J. C. Atkinson in Hist. Berwickshire Naturalists' Club 2 No. 13. 137 It is calc-spar, in a setting of heavy-spar or sulphate of baryta.

1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 903 The septaria of Durham..have the veinings lined with brown heavy spar.

This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2018).

单词	heavy spar
释义	heavy sparn. Etymology: translation of German Schwerspat, the name given by Werner in 1774. The native sulphate of barium, barytes; also improperly applied to barium carbonate, and sometimes to the sulphate and carbonate of strontia (Page Handbk. Geol. Terms). ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > barium sulphate liverstone1587 ponderous spar1618 cauk1653 cawk1653 ponderous earth1780 baroselenite1786 barytes1789 heavy spar1789 terra ponderosa1794 hepatite1802 allomorphite1842 the world > the earth > minerals > types of mineral > carbonates > [noun] > orthorhombic > witherite heavy spar1789 barolite1794 witherite1794 1789 A. Crawford in Med. Communications 2 353 The muriated barytes..was obtained by the decomposition of the heavy spar. 1789 A. Crawford in Med. Communications 2 356 Heavy spar from the lead mines of Derbyshire. 1816 R. Jameson Treat. External Characters Minerals (ed. 2) 106 Heavy spar, and actynolite afford examples of it [sc. the hexahedral prism]. 1845 J. C. Atkinson in Hist. Berwickshire Naturalists' Club 2 No. 13. 137 It is calc-spar, in a setting of heavy-spar or sulphate of baryta. 1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 903 The septaria of Durham..have the veinings lined with brown heavy spar. This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2018). < n.1789
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